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Boc-S-Benzyl-L-cysteine

Boc-S-Benzyl-L-cysteine structure

CAS No.: 5068-28-0

Chemical Name:: Boc-S-Benzyl-L-cysteine

Synonyms: BOC-CYS(BZL)-OH;BOC-L-CYS(BZL)-OH;N-(TERT-BUTOXYCARBONYL)-S-BENZYL-L-CYSTEINE;NSC 164041;BOC-CYS(BZL);Boc-L-Cys(Bzl);BOC-(S)-BENZYL-L-CYS;BOC-CYSTEINE(BZL)-OH;BOC-S-BENZYL-CYSTEINE;BOC-L-CYSTEINE(BENZYL)

CBNumber:: CB3100585

Molecular Formula:: C15H21NO4S

Molecular Weight:: 311.4

MDL Number:: MFCD00065567

MOL File:: 5068-28-0.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 00:53:28

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Boc-S-Benzyl-L-cysteine Properties

Melting point	86-88 °C
alpha	-44.5 º (c=1, acetic acid)
Boiling point	481.2±45.0 °C(Predicted)
Density	1.2189 (rough estimate)
refractive index	-45 ° (C=1, AcOH)
storage temp.	Sealed in dry,2-8°C
solubility	DMSO, Methanol
pka	3.58±0.10(Predicted)
form	Solid
color	White
optical activity	[α]20/D 44±1°, c = 1% in acetic acid
BRN	2000417
Major Application	peptide synthesis
InChI	1S/C15H21NO4S/c1-15(2,3)20-14(19)16-12(13(17)18)10-21-9-11-7-5-4-6-8-11/h4-8,12H,9-10H2,1-3H3,(H,16,19)(H,17,18)/t12-/m0/s1
InChIKey	IFVORPLRHYROAA-LBPRGKRZSA-N
SMILES	CC(C)(C)OC(=O)N[C@@H](CSCc1ccccc1)C(O)=O
CAS DataBase Reference	5068-28-0(CAS DataBase Reference)
EPA Substance Registry System	L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(phenylmethyl)- (5068-28-0)
UNSPSC Code	12352209
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06

Signal word

Danger

Hazard statements

H301-H315-H319-H335

Precautionary statements

P261-P301+P310-P305+P351+P338

PPE

Eyeshields, Gloves, type N95 (US)

Safety Statements

22-24/25

WGK Germany

TSCA

TSCA listed

HazardClass

IRRITANT

HS Code

29309090

Storage Class

11 - Combustible Solids

NFPA 704

	0
1		0

Boc-S-Benzyl-L-cysteine price More Price(65)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	8.53046	Boc-Cys(Bzl)-OH Novabiochem?	5068-28-0	25g	$171	2026-04-30	Buy
Sigma-Aldrich	8.53046	Boc-Cys(Bzl)-OH Novabiochem?	5068-28-0	100g	$668	2026-04-30	Buy
TCI Chemical	B1666	N-(tert-Butoxycarbonyl)-S-benzyl-L-cysteine >98.0%(HPLC)(T)	5068-28-0	5g	$37	2021-12-16	Buy
Usbiological	264615	Boc-S-benzyl-L-cysteine Asreported	5068-28-0	50g	$353	2026-06-03	Buy
Usbiological	264615	Boc-S-benzyl-L-cysteine Asreported	5068-28-0	100g	$488	2026-06-03	Buy

Product number	Packaging	Price	Buy
8.53046	25g	$171	Buy
8.53046	100g	$668	Buy
B1666	5g	$37	Buy
264615	50g	$353	Buy
264615	100g	$488	Buy

Boc-S-Benzyl-L-cysteine Chemical Properties,Uses,Production

Chemical Properties

Boc-S-Benzyl-L-cysteine is WHITE MICRO-CRYSTALLINE POWDER

Uses

Boc-S-Benzyl-L-cysteine is used in peptide HIV1 enzymic synthesis

reaction suitability

reaction type: Boc solid-phase peptide synthesis

Boc-S-Benzyl-L-cysteine Preparation Products And Raw materials

Raw materials

Preparation Products

Boc-Cys-OH Boc-S-benzyl-L-cysteine N-hydroxysuccinimide ester N-Boc-S-benzyl-(L)-cysteine-methyl ester

Boc-S-Benzyl-L-cysteine Suppliers

Global( 249)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Wuhan Chemwish Technology Co., Ltd	86-027-67849912	sales@chemwish.com	China	35884	56
GL Biochem (Shanghai) Ltd	21-61263452 13641803416	ymbetter@glbiochem.com	China	9981	64
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.	+86-21-54098501	sales@sinch.com.cn	China	11592	64
Sichuan Guanghan Bio-Tech Co., Ltd	+86-28-86127071	info@sino-produce.com	China	400	66

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Wuhan Chemwish Technology Co., Ltd	56
GL Biochem (Shanghai) Ltd	64
Capot Chemical Co., Ltd	66
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.	64
Sichuan Guanghan Bio-Tech Co., Ltd	66

View Lastest Price from Boc-S-Benzyl-L-cysteine manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-11	Boc-Cys(Bzl)-OH 5068-28-0		1KG	98%min	500kgs	WUHAN FORTUNA CHEMICAL CO., LTD
2026-03-20	Boc-S-Benzyl-L-cysteine 5068-28-0	$10.00	1KG	99%	5tons	Hebei Chuanghai Biotechnology Co., Ltd
2024-04-27	Boc-Cys(Bzl)-OH 5068-28-0	$5.00	1kg	99.92%	50000tons	Ouhuang Engineering Materials (Hubei) Co., Ltd

Boc-Cys(Bzl)-OH
5068-28-0
$0.00
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

Boc-S-Benzyl-L-cysteine
5068-28-0
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

Boc-Cys(Bzl)-OH
5068-28-0
$5.00
99.92%
Ouhuang Engineering Materials (Hubei) Co., Ltd

Boc-S-Benzyl-L-cysteine Spectrum

Boc-S-Benzyl-L-cysteine(5068-28-0)MS Boc-S-Benzyl-L-cysteine(5068-28-0)¹HNMR Boc-S-Benzyl-L-cysteine(5068-28-0)¹³CNMR Boc-S-Benzyl-L-cysteine(5068-28-0)IR1 Boc-S-Benzyl-L-cysteine(5068-28-0)IR2

5068-28-0(Boc-S-Benzyl-L-cysteine)Related Search:

N-Carbobenzyloxyglycine L-Tyrosine Benzyltriethylammonium chloride Benzyl chloride L-Cysteine

Benzyltrimethylammonium chloride L(+)-Arginine L-Tryptophan Benzyl alcohol tert-Butanol

Carbonyl iron powder Benzyl Phenylacetone Boc-S-(4-methylbenzyl)-L-cysteine Boc-S-benzyl-L-cysteine N-hydroxysuccinimide ester

Boc-Cys(4-meobzl)-OH Boc-Pen(Mob)-OH N-Boc-S-Trityl-L-cysteine

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BOC-(S)-BENZYL-L-CYS BOC-S-BENZYL-L-CYSTEINE BOC-(S)-2-AMINO-3-(S-BENZYLTHIO)PROPANOIC ACID BOC-L-CYSTEINE(BENZYL) BOC-CYSTEINE(BZL)-OH BOC-CYS(BZL) N-BOC-S-BENZYL-L-CYSTEINE N-ALPHA-T-BUTOXYCARBONYL-S-BENZYL-L-CYSTEINE N-ALPHA-TERT-BUTYLOXYCARBONYL-S-BENZYL-L-CYSTEINE N-ALPHA-T-BOC-L-(S-BENZYL) CYSTEINE N-ALPHA-T-BOC-S-BENZYL-L-CYSTEINE N-T-BUTOXYCARBONYL-S-BENZYL-L-CYSTEINE T-BUTYLOXYCARBONYL-S-BENZYL-L-CYSTEINE n-[(1,1-dimethylethoxy)carbonyl]-s-(phenylmethyl)-l-cystein N-Boc-S-benzyl-L-cysteine Boc-Cys(Bzl)-OH Boc-Cys(Bzl)-OH >=99.0% (T) Boc-S-benzyl-L-cysteine≥ 99% (HPLC) (Tert-Butoxy)Carbonyl Cys(Bzl)-OH S-benzyl-N-[tert-butoxycarbonyl]-L-cysteine N-T-BOC-S-BENZYL-L-CYSTEINE CRYSTALLINE N-ALPHA-(TERT-BUTOXYCARBONYL)-S-BENZYL-L-CYSTEINE L-Cysteine-3-13C-N-t-BOC, S-Benzyl N-tert-butyloxycarbonyl-S-benzylcysteine N-ALPHA-T-BUTYLOXYCARBONYL-S-BENZYL-L-CYSTEINE BOC-S-BENZYL-CYSTEINE 2-[(2-Methylpropan-2-yl)oxycarbonylamino]-3-(phenylmethylsulfanyl)propanoic acid L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(phenylmethyl)- BOC-S-BENZYL-L-CYSTEINE, 99+% N-(tert-Butoxycarbonyl)-3-(benzylthio)-L-alanine N-[(1,1-Dimethylethoxy)carbonyl]-S-(phenylmethyl)-L-cysteine N-Boc-S-Benzyl-L-Cys-OH 3-(Benzylthio)-N-carboxyalanine N-tert-Butyl Ester NSC 164041 L-CYSTEINE-N-T-BOC, S-BENZYL (R)-3-(Benzylthio)-2-((tert-butoxycarbonyl)aMino)propanoic acid (2R)-3-(benzylsulfanyl)-2-{[(tert-butoxy)carbonyl]amino}propanoic acid (2R)-2-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-3-(phenylmethylthio)propanoate (2R)-3-benzylsulfanyl-2-tert-butoxycarbonylamino-propionic acid N-(tert-Butoxycarbonyl)-S-benzyl-L-cysteine > Boc-S-Benzyl-L-cysteine USP/EP/BP (2R)-3-benzylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid Boc-s-benzyl-l-cysteine, 98%+ BOC-L-Benzyl-L-Cysteine extrapure, 98% Boc-L-Cys(Bzl) BOC-L-CYS(BZL)-OH BOC-CYS(BZL)-OH N-(TERT-BUTOXYCARBONYL)-S-BENZYL-L-CYSTEINE 5068-28-0 C6H5CH2SCH2CHNHtBOCCOOH C6H5CH2SCH2CHCOOHNHCOOCCH33 C15H20NO4S Protected & Labeled Amino Acids Amino Acids (N-Protected) Boc-Amino Acids Amino Acid Derivatives Cysteine/Cystine Peptide Synthesis Specialty Synthesis