NIST143D

L-Cistina

NIST^® SRM^® 143d

• Sinonimo/i: Acido (R,R)-3,3′-ditio-bis(2-ammino-propionico)
• Formula condensata: [-SCH₂CH(NH₂)CO₂H]₂
• Numero CAS: 56-89-3
• Peso molecolare: 240.30
• Beilstein: 1728094
• Numero MDL: MFCD00064228
• Codice UNSPSC: 41116107
• ID PubChem: 329818707
• NACRES: NA.24

Proprietà

• Grado: certified reference material
• Livello qualitativo: 100
• Confezionamento: pkg of 2 g
• Produttore/marchio commerciale: NIST^®
• Punto di fusione: >240 °C (dec.) (lit.)
• Formato: neat
• Stringa SMILE: 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; LEVWYRKDKASIDU-IMJSIDKUSA-N

Descrizione

Descrizione generale

This Standard Reference Material (SRM) is intended primarily for use in validating microchemical procedures for the determination of carbon, hydrogen, nitrogen, and sulfur in organic matter. SRM 143d is pure crystalline cystine supplied in a 2 g unit size. For more information, please refer to the SDS and COA.

SRM 143D_cert

SRM 143D_SDS

Altre note

Certified for the analytes listed below.
Carbon (C), Hydrogen (H), Nitrogen (N), Oxygen (O), Sulfur (S), Cystine (C₆H₁₂N₂O₄S₂)

See certificate for values and more details at nist.gov/SRM.

Note legali

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable