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NIST143D

Cystine

NIST® SRM® 143d

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Synonym(s):
L-Cystine, (R,R)-3,3′-Dithiobis(2-aminopropionicacid)
Linear Formula:
[-SCH2CH(NH2)CO2H]2
CAS Number:
Molecular Weight:
240.30
Beilstein/REAXYS Number:
1728094
MDL number:
PubChem Substance ID:
NACRES:
NA.24

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

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This Item
30200C8755C5735
vibrant-m

NIST143D

Cystine

vibrant-m

30200

L-Cystine

vibrant-m

C8755

L-Cystine

vibrant-m

C5735

L-Cystine

format

neat

format

-

format

-

format

-

manufacturer/tradename

NIST®

manufacturer/tradename

-

manufacturer/tradename

-

manufacturer/tradename

Ajinomoto

packaging

pkg of 2 g

packaging

-

packaging

-

packaging

-

mp

>240 °C (dec.) (lit.)

mp

>240 °C (dec.) (lit.)

mp

>240 °C (dec.) (lit.)

mp

>240 °C (dec.) (lit.)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

400

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

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.

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Sigma-Aldrich

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Sigma-Aldrich

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