Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Boc-L-cysteine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Boc-L-cysteine
Price: ￥808.0/250mg ￥2458.0/1g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Boc-L-cysteine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20887-95-0

20887-95-0 structure

20887-95-0 structure

Name: Boc-L-cysteine
Chemical Name: (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoic acid
CAS Number: 20887-95-0
Molecular Formula: C₈H₁₅NO₄S
Molecular Weight: 221.274
Catalog: Biochemical Amino acids and their derivatives Cysteine derivative
Create Date: 2018-03-20 08:00:00
Modify Date: 2025-08-24 19:38:32

Name	(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoic acid
Synonyms	boc-L-cysteine N-tert-butoxycarbonyl-L-cysteine N-Boc-L-Cys-OH MFCD00065565 N-Boc-L-Cysteine N-Boc-Cys-OMe N-(tert-Butyloxycarbonyl)-L-cysteine N-{[(2-Methyl-2-propanyl)oxy]carbonyl}-L-cysteine N-Boc-L-cystein N-tert-Butyloxycarbonylcysteine BOC-L-CYS-OH L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]- Boc-Cys-OH

Density	1.2±0.1 g/cm3
Boiling Point	361.4±37.0 °C at 760 mmHg
Melting Point	67-70°C
Molecular Formula	C₈H₁₅NO₄S
Molecular Weight	221.274
Flash Point	172.3±26.5 °C
Exact Mass	221.072174
PSA	114.43000
LogP	2.02
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.504
Storage condition	-20°C

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2930909090

Precursor 8
10389-65-8 52-90-4 24424-99-5 5068-28-0
61925-77-7 19746-37-3 130384-98-4 18942-46-6
DownStream 4
35446-36-7 471-09-0 250349-14-5 10389-65-8

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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