L-Cystine

• Catalog No.: 49603
• CAS Number: 56-89-3
• M. F.: C6H12N2O4S2
• M. W.: 240.30048

SYNONYMS

• Title: L-胱氨酸
• IUPAC name: (2R)-2-amino-3-{[(2R)-2-amino-2-carboxyethyl]disulfanyl}propanoic acid
• IUPAC Traditional name: L-cystine
• Synonyms: (R,R)-3,3′-二硫双(2-氨基丙酸); (R,R)-3,3′-Dithiobis(2-aminopropionicacid)

DATABASE IDS

• E Number: E921
• Beilstein Number: 1728094
• CAS Number: 56-89-3
• EC Number: 200-296-3
• MDL Number: MFCD00064228

PROPERTIES

• Grade: certified reference material
• Grade: TraceCERT®
• Linear Formula: [-SCH2CH(NH2)CO2H]2
• Melting Point: >240 °C (dec.)(lit.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3

DETAILS

Description (English)

Analysis Note
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to NIST SRM.
General description
Certified content by quantitative NMR incl. uncertainty and expiry are given in the certificate.Download your certificate at: http://www.sigma-aldrich.com.
Legal Information
TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Description (简体中文)

Analysis Note
该有证标准物质 (CRM) 根据 ISO/IEC 17025 和 ISO 指南 34 生产和认证。该有证标准物质可溯源到 NIST 标准参考物质。
General description
证书上给出了含不确定度的认证含量（定量 NMR 法测定）和有效期。 证书下载：http://www.sigma-aldrich.com。
法律信息
TraceCERT 注册商标 Sigma-Aldrich Co. LLC