Sign In to View Organizational & Contract Pricing.
Select a Size
Change View
About This Item
Linear Formula:
[-SCH2CH(NH2)CO2H]2
CAS Number:
Molecular Weight:
240.30
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1728094
grade
certified reference material
Quality Level
packaging
pkg of 2 g
manufacturer/tradename
NIST®
mp
>240 °C (dec.) (lit.)
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
General description
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
SRM 143D_cert
SRM 143D_SDS
Other Notes
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.
Carbon (C), Hydrogen (H), Nitrogen (N), Oxygen (O), Sulfur (S), Cystine (C6H12N2O4S2)
See certificate for values and more details at nist.gov/SRM.
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
Still not finding the right product?
Explore all of our products under Cystine
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.