L-Tryptophan

• Catalog No.: 51145
• CAS Number: 73-22-3
• M. F.: C11H12N2O2
• M. W.: 204.22518

SYNONYMS

• Title: L-色氨酸
• IUPAC name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
• IUPAC Traditional name: L-tryptophan
• Synonyms: (S)-2-Amino-3-(3-indolyl)propionic acid; L-α-Amino-3-indolepropionic acid; (S)-2-氨基-3-(3-吲哚基)丙酸; L-α-氨基-3-吲哚丙酸

DATABASE IDS

• Beilstein Number: 86197
• CAS Number: 73-22-3
• EC Number: 200-795-6
• MDL Number: MFCD00064340

PROPERTIES

• Empirical Formula (Hill Notation): C11H12N2O2
• Grade: certified reference material
• Grade: TraceCERT®
• Melting Point: 280-285 °C (dec.)(lit.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: YN6130000
• German water hazard class: 1

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.
Other Notes
Amino acid precursor of serotonin and melatonin
Legal Information
TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Description (简体中文)

Analysis Note
此认证标准物质 (CRM) 的生产和认证都符合 ISO/IEC 17025 和 ISO Guide 34 的要求。此 CRM 可溯源到 NIST CRM。
General description
认证的含量经定量 NMR 确定，并且证书上标明不确定度和有效期。 证书下载：http://www.sigma-aldrich.com。
Other Notes
血清素和褪黑激素的氨基酸前体
法律信息
TraceCERT 注册商标 Sigma-Aldrich Co. LLC