(<I>R</I>,<I>R</I>)-3,3′-亚二硫基二(2-丙氨酸)

L -胱氨酸

产品名称：

56-89-3
L-Cystine
(R,R)-3,3′-Dithiobis(2-aminopropionicacid)
L -胱氨酸
(R,R)-3,3′-亚二硫基二(2-丙氨酸)

产品介绍：

产品说明

一般描述

This product is supplied from Wacker FERMOPURE^® material, but is sold for R&D use only, not for drug, household or other uses.
L-Cystine is an amino acid mainly found in the keratin of hair.

应用

L-Cystine can be used as a starting material for the synthesis of d-biotin, aromatic-bridged cystine cyclic peptides (cystinophanes), chiral imidazolidine disulfides and biodegradable PEGylated gadolinium-diethylenetriamine pentaacetic acid (Gd-DTPA) L-cystine copolymers.

法律信息

FERMOPURE is a registered trademark of Wacker Chemie AG

基本信息

线性分子式	[-SCH₂CH(NH₂)CO₂H]₂
分子量	240.30
Beilstein	1728094
EC 号	200-296-3
MDL编号	MFCD00064228
PubChem化学物质编号	329768048
NACRES	NA.22

产品性质

质量水平	200
等级	produced by Wacker Chemie AG, Burghausen, Germany
测定	≥98.5%
旋光性	[α]/D -224 to -218°
reaction suitability	reaction type: solution phase peptide synthesis
杂质	≤0.02% ammonium ≤0.2% ninhidrin positive substances (each) ≤10 ppm heavy metals
灼烧残渣	≤0.1%
缺失	≤0.2% loss on drying
mp	>240 ℃ (dec.) (lit.)
痕量阴离子	chloride (Cl^-): ≤200 ppm sulfate (SO₄^2-): ≤300 ppm
痕量阳离子	As: ≤1 ppm Fe: ≤10 ppm Pb: ≤5 ppm
适用性	clear, colorless for appearance of solution
SMILES string	N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
InChI	1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1
InChI key	LEVWYRKDKASIDU-IMJSIDKUSA-N

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable