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1161586

USP

Cystine

United States Pharmacopeia (USP) Reference Standard

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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:
1728094
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

cystine

manufacturer/tradename

USP

mp

>240 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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
4960330200C8755
Cystine United States Pharmacopeia (USP) Reference Standard

USP

1161586

Cystine

L-Cystine certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Supelco

49603

L-Cystine

L-Cystine ≥99.7% (TLC)

Sigma-Aldrich

30200

L-Cystine

L-Cystine ≥98% (TLC), crystalline

Sigma-Aldrich

C8755

L-Cystine

manufacturer/tradename

USP

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

manufacturer/tradename

-

manufacturer/tradename

-

application(s)

pharmaceutical (small molecule)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

application(s)

peptide synthesis

application(s)

cell analysis
peptide synthesis

format

neat

format

neat

format

-

format

-

API family

cystine

API family

-

API family

-

API family

-

mp

>240 °C (dec.) (lit.)

mp

>240 °C (dec.) (lit.)

mp

>240 °C (dec.) (lit.)

mp

>240 °C (dec.) (lit.)

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Cystine USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

related product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 1


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Jari J Hirvonen et al.
Journal of clinical microbiology, 52(7), 2334-2339 (2014-04-18)
Using a collection (n = 12) of ATCC and known stock isolates, as well as 328 clinical stool specimens, we evaluated the ESwab and the new FecalSwab liquid-based microbiology (LBM) devices for storing and transporting diarrheagenic bacteria. The stock isolates
Maria José Alves et al.
Journal of medical microbiology, 63(Pt 3), 471-477 (2014-01-17)
A group of biofilm-producing bacteria isolated from patients with urinary tract infections was evaluated, identifying the main factors contributing to biofilm formation. Among the 156 isolates, 58 (37.2%) were biofilm producers. The bacterial species (P<0.001), together with patient's gender (P
E Patricia Owen et al.
Pediatric nephrology (Berlin, Germany), 30(4), 595-601 (2014-10-19)
The mutations responsible for cystinosis in South African patients are currently unknown. A pertinent question is whether they are similar to those described elsewhere in the world. Children who were being managed for cystinosis in the Western Cape Province of
Kamila Borowczyk et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 981-982, 57-64 (2015-01-24)
In this paper, we describe a simple and robust HPLC based method for determination of total low- and high-molecular-mass thiols, protein S-linked thiols and reduced albumin in plasma. The method is based on derivatization of analytes with 2-chloro-1-methylquinolinium tetrafluoroborate, separation
Fouzia Khan et al.
Pakistan journal of medical sciences, 30(5), 951-954 (2014-09-17)
To determine the frequency and susceptibility pattern of multi-drug resistant (MDR) Pseudomonas aeruginosa isolated from clinical specimens in Karachi. This cross sectional study was conducted in Microbiology Department, University of Karachi, from January 2012 to January 2013. Clinical specimens were

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