MilliporeSigma
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49603

Supelco

L-Cystine

certified reference material, TraceCERT®

Synonym(s):
(R,R)-3,3′-Dithiobis(2-aminopropionicacid)
Linear Formula:
[-SCH2CH(NH2)CO2H]2
CAS Number:
Molecular Weight:
240.30
Beilstein:
1728094
EC Number:
MDL number:
eCl@ss:
32160406
PubChem Substance ID:
E Number:
E921
NACRES:
NA.24

grade

certified reference material
TraceCERT®

Quality Level

product line

TraceCERT®

analyte chemical class(es)

amino acids, peptides, proteins

storage condition

under inert gas

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

>240 °C (dec.) (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

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

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General description

L-Cystine belongs to the amino acid group and is found to be optically active due the presence of chiral centers and a wide range of hydrogen bonding network, which tends to enhance its optical properties. It can serve as an important source of L-cysteine and other sulfur containing amino acids, thus acting like a substitute for L-methionine.
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

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