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PHR1323

L-Cystine

Pharmaceutical Secondary Standard; Certified Reference Material

Synonyme(s) :

(R,R)-3,3′-Dithiobis(acide 2-aminopropionique)

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A propos de cet article

Formule linéaire :
[-SCH2CH(NH2)CO2H]2
Numéro CAS:
56-89-3
Poids moléculaire :
240.30
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329823308
EC Number:
200-296-3
Beilstein/REAXYS Number:
1728094
MDL number:
MFCD00064228
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Quality Level

300

grade

certified reference material, pharmaceutical secondary standard

agency

traceable to Ph. Eur. C3300000, traceable to USP 1161586

API family

cystine

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

>240 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°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

General description

L-Cysteine a sulfur-containing, proteingenic non-essential amino acid useful in numerous biological applications.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Application

L-Cysteine may be used as a pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations by chromatography.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the US and EP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
To see an example of a Certificate of Analysis for this material enter LRAC3784 in the slot below. This is an example certificate only and may not be the lot that you receive.

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Classe de stockage

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Simultaneous identification and determination of total content of aminoacids in food supplements-tablets by gas chromatography
Obreshkova DP, et al.
Asian journal of experimental biological sciences, 5, 57-68 (2012)
Determination of cysteine in pharmaceuticals via liquid chromatography with postcolumn derivatization
Jenke DR and Brown DS
Analytical Chemistry, 59(11), 1509-1512 (1987)
l-Cysteine
Nonvitamin and Nonmineral Nutritional Supplements, 59(11), 53-58 (2019)
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Numéro d'article de commerce international

RéférenceGTIN
PHR1323-500MG04061835233618