n-boc-d-tyrosine-Molbase

: Check Encyclopedia

Recommended Supplier	Purity	Lead Time	Packing	Price	View
Hangzhou J&H Chemical Co., Ltd.	＞97%	10Day (s)	10g	Request For Qutation
Chengdu chuangkecheng biotechnology Co.,ltd	98%	30Day (s)	100g	Request For Qutation

methyl (2R)-3-(4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate

CAS No. : 76757-90-9 Formula : C15H21NO5 Molecular Weight. : 295.331 Check Encyclopedia

Synonyms : N-Boc-(R)-Tyr-OMe; N-(tert-butoxycarbonyl)-D-tyrosine methyl ester; Boc-D-Tyr-OMe; N-(t-Butoxycarbonyl)-D-tyrosine methyl ester; (R)-Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxyphenyl)propanoate; Boc-D-tyrosine methyl ester;

Supplier : All (67) China Suppliers (40) Price Available (15) Contractor (9)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	1Week (s)	5g	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	≥98%	7Day (s)	100g	Request For Qutation
BOC Sciences	≥98% (HPLC)	1Week (s)	1g	Request For Qutation
OpChem(Changzhou) Co.,Ltd.	99%	14Day (s)	1kg	Request For Qutation
Career Henan Chemical Co	98%	2-3Day (s)	1kg	Request For Qutation

More Suppliers

: Check Encyclopedia

BOC-D-METYR(BZL)-OH CHA

CAS No. : 138774-98-8 Formula : C22H27NO5 Molecular Weight. : 385.453 Check Encyclopedia

Synonyms : BOC-N-ME-D-TYROSINE(BZL)-OH; BOC-N-METHYL-O-BENZYL-D-TYROSINE; BOC-D-METYR(BZL)-OH; BOC-N-ME-D-TYR(BZL)-OH;

Supplier : All (24) China Suppliers (9) Price Available (5) Contractor (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	3Day (s)	10g/瓶	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	98%	3Day (s)	100g	Request For Qutation
BOC Sciences	≥99% (HPLC)	1Week (s)	1g	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
Skyrun Industrial Co., Limited	99%	7Day (s)	25kg	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-(4-phenylmethoxyphenyl)propanoic acid

CAS No. : 63769-58-4 Formula : C21H25NO5 Molecular Weight. : 371.427 Check Encyclopedia

Synonyms : BOC-D-TYROSINE(BZL)-OH; Boc-D-Tyr(Bzl)-OH Boc-O-benzyl-D-tyrosine; BOC-D-TYR(BZL)-OH; N-Boc-D-Tyr(Bn)-OH; BOC-O-BENZYL-D-TYR; Boc-D-Tyr(Bzl); N-tert-Butoxycarbonyl-O-benzyl-D-tyrosine; N-(tert-butoxycarbonyl)-D-(O-benzyl)tyrosine; Boc-DTyr(O-Bzl)-OH; N-Boc-O-benzyl-D-tyrosine; BOC-O-BENZYL-D-TYROSINE; (R)-3-(4-benzyloxy-phenyl)-2-tert-butoxycarbonylamino-propionic acid;

Supplier : All (49) China Suppliers (25) Price Available (5) Contractor (6)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	3Day (s)	10g/瓶	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	≥98%	7Day (s)	100g	Request For Qutation
BOC Sciences	≥98% (HPLC)	1Week (s)	1g	Request For Qutation
OpChem(Changzhou) Co.,Ltd.	99%	14Day (s)	1kg	Request For Qutation
Elsa Biotechnology Co.,Ltd.	98%	-	10g/包	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-3-(2-fluoro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

CAS No. : 125218-32-8 Formula : C14H18FNO5 Molecular Weight. : 299.295 Check Encyclopedia

Synonyms : (r)-2-tert-butoxycarbonylamino-3-(2-fluoro-4-hydroxyphenyl)propionic acid; N-Boc-2-fluoro-D-tyrosine; Boc-Tyr(o-F)-OH; (S)-2-tert-butoxycarbonylamino-3-(2-fluoro-4-hydroxyphenyl)propionic acid;

Supplier : All (8) China Suppliers (4) Price Available (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
OAKWOOD	96%	IN STOCK	250mg	$536
Beijing Bangke Kaim Pharmaceutical Technology Co., Ltd.	97%	14Day (s)	100g	Request For Qutation
Tetrahedron Scientific Inc	96%	7Day (s)	1吨	Request For Qutation
Ryan Scientific, Inc.	96%	7Day (s)	500g	Request For Qutation
Fluorochem Ltd.	97%	7Day (s)	250mg	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-3-(3-chloro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

CAS No. : 478183-57-2 Formula : C14H18ClNO5 Molecular Weight. : 315.749 Check Encyclopedia

Synonyms : N-Boc-3-chloro-D-tyrosine; boc-d-3-chlorotyrosine; boc-3-chloro-d-tyr-oh;

Supplier : All (14) China Suppliers (7) Price Available (3) Contractor (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	98%	14Day (s)	1kg	Request For Qutation
Career Henan Chemical Co	0.98	3Day (s)	1kg	$1
OAKWOOD	96%	IN STOCK	250mg	$494
Beijing Bailingwei Technology Co., Ltd.	97%	7Day (s)	1g	Request For Qutation
Beijing Oukanas Technology Co., Ltd.	97%	7Day (s)	10g	Request For Qutation

More Suppliers

: Check Encyclopedia

BOC-N-ME-D-TYR-OH DCHA

CAS No. : 178208-61-2 Formula : C27H44N2O5 Molecular Weight. : 476.649 Check Encyclopedia

Synonyms :

Supplier : All (8) China Suppliers (2) Contractor (1)

Recommended Supplier	Purity	Lead Time	Packing	Price
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
American Custom Chemicals Corporation	96%	7Day (s)	100g	Request For Qutation
Santa Cruz Biotechnology, Inc.	96%	7Day (s)	100g	Request For Qutation
Ibookbio	96%	7Day (s)	100g	Request For Qutation
Chemos GmbH	96%	7Day (s)	500g	Request For Qutation

More Suppliers

: Check Encyclopedia

N,O-bis(tert-butoxycarbonyl)-D-tyrosine

CAS No. : 1241677-97-3 Formula : C19H27NO7 Molecular Weight. : 381.42 Check Encyclopedia

Synonyms : Boc-D-Tyr(OBoc)-OH;

Supplier : All (2) China Suppliers (2) Contractor (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
Elsa Biotechnology Co.,Ltd.	98%	-	5g/包	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
SAGECHEM LIMITED	98%	7Day (s)	1kg	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-3-(3-fluoro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

CAS No. : 1198186-15-0 Formula : C14H18FNO5 Molecular Weight. : 299.295 Check Encyclopedia

Synonyms : N-Boc-3-fluoro-D-tyrosine;

Supplier : All (7) China Suppliers (2) Price Available (3)

Recommended Supplier	Purity	Lead Time	Packing	Price
OAKWOOD	96%	IN STOCK	250mg	$560
American Custom Chemicals Corporation	96%	7Day (s)	500g	Request For Qutation
Ryan Scientific, Inc.	96%	7Day (s)	500g	Request For Qutation
Fluorochem Ltd.	97%	7Day (s)	250mg	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-2-[9H-Fluoren-9-yl(methoxycarbonyl)amino]-8-nonenoic acid

CAS No. : 1262886-63-4 Formula : C24H27NO4 Molecular Weight. : 393.475 Check Encyclopedia

Synonyms : N-Boc-3-chloro-D-tyrosine; boc-d-3-chlorotyrosine; boc-3-chloro-d-tyr-oh;

Supplier : All (4) China Suppliers (3) Contractor (1)

Recommended Supplier	Purity	Lead Time	Packing	Price
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
Molchemical	97% HPLC	2Day (s)	25kg	Request For Qutation
Beijing Oukanas Technology Co., Ltd.	97%	7Day (s)	10g	Request For Qutation
Fluorochem Ltd.	96%	42Day (s)	250mg	Request For Qutation

More Suppliers

: Check Encyclopedia

BOC-D-TYR(2,6-DI-CL-BZL)-OH

CAS No. : 69541-62-4 Formula : C21H23Cl2NO5 Molecular Weight. : 440.317 Check Encyclopedia

Synonyms : T-BUTYLOXYCARBONYL-O-2,6-DICHLOROBENZYL-D-TYROSINE; BOC-D-TYROSINE(2,6-DICHLORO-BZL)-OH; BOC-D-TYR(CL2-BZL); BOC-O-2,6-DICHLOROBENZYL-D-TYROSINE; BOC-D-TYR(2,6-CL2-BZL)-OH; BOC-D-TYR(2,6-DICHLORO-BZL)-OH; BOC-D-TYR(CL 2-BZL)-OH; N-tert-Butoxycarbonyl-O-(2,6-dichlorobenzyl)-D-tyrosine;

Supplier : All (17) China Suppliers (3) Price Available (2) Contractor (1)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	≥98%	7Day (s)	100g	Request For Qutation
IRIS Biotech GmbH	98%	7Day (s)	25g	$864
COMBI-BLOCKS	95%	5Day (s)	1g	$50
Molchemical	96%	7Day (s)	1kg	Request For Qutation
Chengdu SinoStandards Bio-Tech Co.,Ltd.	98%	7Day (s)	5g	Request For Qutation

More Suppliers

: Check Encyclopedia

N-Tert-Butyloxycarbonyl-O-(2-Bromobenzyloxycarbonyl)-D-Tyrosine

CAS No. : 81189-61-9 Formula : C22H24BrNO7 Molecular Weight. : 494.332 Check Encyclopedia

Synonyms : N-tert-Butyloxycarbonyl-O-(2-bromobenzyloxycarbonyl)-D-tyrosine;

Supplier : All (55) China Suppliers (20) Price Available (7) Contractor (5)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	98%	7Day (s)	1kg	Request For Qutation
BOC Sciences	≥99% (HPLC)	1Week (s)	1g	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
Dayang Chem (Hangzhou) Co., Ltd	99%	7Day (s)	25kg	Request For Qutation
Skyrun Industrial Co., Limited	99%	7Day (s)	25kg	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-3-(4-ethoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

CAS No. : 76757-92-1 Formula : C16H23NO5 Molecular Weight. : 309.358 Check Encyclopedia

Synonyms : (R)-2-tert-butoxycarbonylamino-3-(4-ethoxy-phenyl)-propionic acid; (2R)-2-[(tert-butoxycarbonyl)amino]-3-(4-ethoxyphenyl)propanoic acid; Boc-D-Tyr(Et)-OH; Boc-O-ethyl-D-tyrosine; Boc-D-Tyr(OEt); N-(tert-butoxycarbonyl)-O-ethyl-D-tyrosine; t-Boc-D-tyrosine ethyl ether; AmbotzBAA1456; Boc-D-(O-Et)TyrOH;

Supplier : All (43) China Suppliers (20) Price Available (4) Contractor (5)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	99%	7Day (s)	25g	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	≥98%	7Day (s)	100g	Request For Qutation
BOC Sciences	≥99% (HPLC)	1Week (s)	1g	Request For Qutation
OpChem(Changzhou) Co.,Ltd.	99%	14Day (s)	1kg	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-3-(4-hydroxy-3-iodophenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

CAS No. : 478183-68-5 Formula : C14H18INO5 Molecular Weight. : 407.201 Check Encyclopedia

Synonyms : BOC-3-IODO-D-TYROSINE; BOC-3-IODO-D-TYR-OH; D-Tyrosine,N-[(1,1-dimethylethoxy)carbonyl]-3-iodo; (R)-2-(tert-butoxycarbonylamino)-3-(4-hydroxy-3-iodophenyl)propanoic acid; BOC-D-TYR(3-I)-OH; BOC-D-3-IODOTYROSINE;

Supplier : All (13) China Suppliers (6) Price Available (1) Contractor (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	98%	14Day (s)	1kg	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	$1
Dayang Chem (Hangzhou) Co., Ltd	97%	7Day (s)	25kg	Request For Qutation
American Custom Chemicals Corporation	96%	7Day (s)	500g	Request For Qutation
Nanjing Leon biological technology Co. LTD	98%	14Day (s)	50g	Request For Qutation

More Suppliers

: Check Encyclopedia

N-{[(2-Methyl-2-propanyl)oxy]carbonyl}tyrosine

CAS No. : 142847-18-5 Formula : C14H19NO5 Molecular Weight. : 281.304 Check Encyclopedia

Synonyms : t-butoxycarbonyltyrosine; Boc-D/L-Tyr(OH)-CO2H; t-butyloxycarbonyltyrosine; (2-(tert-butoxy)-2-oxoethyl)triphenylphosphanium bromide; <2-(1,1-dimethylethoxy)-2-oxoethyl>triphenylphosphonium bromide; (tert-butyloxycarbonylmethyl)-triphenylphosphonium bromide; (tert-Butoxycarbonylmethyl)triphenylphosphanium bromide; N-Boc-DL-tyrosine; (tert-butoxycarbonylmethyl)-triphenylphosphonium bromide; N-Boc-tyrosine; Boc-DL-tyrosine; t-Butyloxycarbonylmethyltriphenylphosphonium bromide; Boc-DL-Tyr-OH; N-(tert-butoxycarbonyl)tyrosine;

Supplier : All (10) China Suppliers (5) Price Available (4) Contractor (4)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	3Day (s)	10g/瓶	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	99%	14Day (s)	500g	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
Hangzhou Bingochem Co., Ltd.	97%	7Day (s)	25kg	Request For Qutation
Zhengzhou FILTER Biotechnology Co., Ltd.	98%	7Day (s)	10mg	Request For Qutation

More Suppliers

: Check Encyclopedia

BOC-(R)-3-AMINO-3-(4-HYDROXY-PHENYL)-PROPIONIC ACID

CAS No. : 329013-12-9 Formula : C14H19NO5 Molecular Weight. : 281.304 Check Encyclopedia

Synonyms : Weinreb's reagent; N-Boc tyrosine; tert-butyl tosylcarbamate; N-Boc p-toluenesufonamide; N-Boc-N-tosylamide; N-Boc-p-toluenesulfonamide; N-tosyl-N-Boc amide; N-Boc-N-tosylamine; Boc-4-Hydroxy-D-b-phenylalanine;

Supplier : All (40) China Suppliers (21) Price Available (7) Contractor (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	1Week (s)	5g	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	98%	14Day (s)	1kg	Request For Qutation
Elsa Biotechnology Co.,Ltd.	98%	-	1g/包	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	1kg	Request For Qutation
Shanghai Jizhi Biochemical Technology Co., Ltd.	97%	30Day (s)	500mg/瓶	Request For Qutation

More Suppliers

: Check Encyclopedia

(2R)-3-(4-methoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

CAS No. : 68856-96-2 Formula : C15H21NO5 Molecular Weight. : 295.331 Check Encyclopedia

Synonyms : N-tert-butoxycarbonyl-4-methoxy-(D)-phenylalanine; (R)-2-tert-butoxycarbonylamino-3-(4-methoxyphenyl)propanoic acid; 2-[(tert-butoxycarbonyl)amino]-3-(4-methoxyphenyl)propanoic acid; N-tert-butoxycarbonyl-O-methyl-D-tyrosine; (2R)-2-[(tert-butoxycarbonyl)amino]-3-(4-methoxyphenyl)propanoic acid; BOC-D-TYR(ME)-OH; Boc-L-phe(4-OCH3)-OH; Boc-4-Methoxy-D-Phenylalanine; N-Boc-O-methyl-D-tyrosine;

Supplier : All (53) China Suppliers (33) Price Available (10) Contractor (6)

Recommended Supplier	Purity	Lead Time	Packing	Price
Win-Win Chemical CO., Limited	98%	7Day (s)	25g	Request For Qutation
Hangzhou J&H Chemical Co., Ltd.	≥97%	14Day (s)	1kg	Request For Qutation
OpChem(Changzhou) Co.,Ltd.	99%	14Day (s)	1kg	Request For Qutation
Career Henan Chemical Co	98%	3Day (s)	10g	Request For Qutation
Shanghai Jizhi Biochemical Technology Co., Ltd.	95%	1Week (s)	5g/瓶	Request For Qutation

More Suppliers

: Check Encyclopedia

2,4,5-Trichlorophenyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-ty rosinate

CAS No. : 25616-08-4 Formula : C20H20Cl3NO5 Molecular Weight. : 460.736 Check Encyclopedia

Synonyms : N-tert.-Butyloxycarbonyl-D,L-methioninol; N-tert.-Butyloxycarbonyl-tyrosin-<2,4,5-trichlor-phenylester>; Boc-Tyr-OTcp; N-BOC-DL-METHIONINOL; N-Carbo-tert-butoxy-DL-methioninol;

Supplier : All (4)

Recommended Supplier	Purity	Lead Time	Packing	Price
American Custom Chemicals Corporation	96%	7Day (s)	100g	Request For Qutation
Ibookbio	96%	7Day (s)	100g	Request For Qutation
Chemical Point UG	96%	7Day (s)	25kg	Request For Qutation
Carbone Scientific Co., Ltd.	96%	7Day (s)	500g	Request For Qutation

More Suppliers

: Check Encyclopedia

Boc-DL-m-tyrosine

CAS No. : 174732-96-8 Formula : C14H19NO5 Molecular Weight. : 281.304 Check Encyclopedia

Synonyms : BOC-CYSTEINE(ACM)-ONP; BOC-L-CYSTEINE(ACM) P-NITROPHENYL ESTER; Boc-S-[(Acetylamino)methyl]-L-cysteine 4-nitrophenyl ester; N-(tert-butoxycarbonyl)-DL-m-tyrosine; N-Boc-3-hydroxy-DL-phenylalanine; Boc-D-(DNP)His-OH; 2-(tert-butoxycarbonylamino)-3-(3-hydroxyphenyl)propanoic acid; Boc-S-acetamidomethyl-L-Cysteine 4-nitrophenyl est; BOC-Cys-ACM-ONP; Boc-D,L-m-Tyr-OH; S-[(Acetylamino)methyl]-N-(tert-butoxycarbonyl)-L-cysteine 4-nitrophenyl ester; p-nitrophenyl S-(acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteinate; BOC-L-CYSTEINE-ACETAMIDOMETHYL-4-NITROPHENYL ESTER; BOC-S-ACETAMIDOMETHYL-L-CYSTEINE 4-NITROPHENYL ESTER; Boc-D-(DNP)-His;

Supplier : All (12) China Suppliers (7) Price Available (3) Contractor (2)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	98%	3Day (s)	100g	Request For Qutation
Career Henan Chemical Co	0.98	3Day (s)	1kg	Request For Qutation
Dayang Chem (Hangzhou) Co., Ltd	98%	7Day (s)	1吨	Request For Qutation
Beijing Bailingwei Technology Co., Ltd.	96%	7Day (s)	5g	Request For Qutation
Santa Cruz Biotechnology, Inc.	96%	7Day (s)	1g	$785

More Suppliers

All Categories

Boc-D-Tyrosine

N-boc-O-benzyl-D-tyrosine

methyl (2R)-3-(4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate

BOC-D-METYR(BZL)-OH CHA

(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-(4-phenylmethoxyphenyl)propanoic acid

(2R)-3-(2-fluoro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

(2R)-3-(3-chloro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

BOC-N-ME-D-TYR-OH DCHA

N,O-bis(tert-butoxycarbonyl)-D-tyrosine

(2R)-3-(3-fluoro-4-hydroxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

(2R)-2-[9H-Fluoren-9-yl(methoxycarbonyl)amino]-8-nonenoic acid

BOC-D-TYR(2,6-DI-CL-BZL)-OH

N-Tert-Butyloxycarbonyl-O-(2-Bromobenzyloxycarbonyl)-D-Tyrosine

(2R)-3-(4-ethoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

(2R)-3-(4-hydroxy-3-iodophenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

N-{[(2-Methyl-2-propanyl)oxy]carbonyl}tyrosine

BOC-(R)-3-AMINO-3-(4-HYDROXY-PHENYL)-PROPIONIC ACID

(2R)-3-(4-methoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid

2,4,5-Trichlorophenyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-ty rosinate

Boc-DL-m-tyrosine