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PHR2005

Allopurinol Related Compound A

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

3-Amino-4-pyrazolecarboxamide hemisulfate salt

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About This Item

Linear Formula:
(C4H6N4O)2 · H2SO4
CAS Number:
27511-79-1
Molecular Weight:
350.31
UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
MFCD00013093
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Quality Level

300

grade

certified reference material, pharmaceutical secondary standard

agency

traceable to Ph. Eur. A0350010, traceable to USP 1013024

API family

allopurinol

form

solid

CofA

current certificate can be downloaded

packaging

pkg of 50 mg

mp

224 °C (dec.) (lit.)

application(s)

pharmaceutical

storage temp.

2-8°C

SMILES string

OS(O)(=O)=O.NC(=O)c1c[nH]nc1N.NC(=O)c2c[nH]nc2N

InChI

1S/2C4H6N4O.H2O4S/c2*5-3-2(4(6)9)1-7-8-3;1-5(2,3)4/h2*1H,(H2,6,9)(H3,5,7,8);(H2,1,2,3,4)

InChI key

UMPKASYMNORSRO-UHFFFAOYSA-N

General description

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

Analysis Note

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

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
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 LRAB6412 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

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Storage Class

11 - Combustible Solids

wgk

WGK 3

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’.

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Global Trade Item Number

SKUGTIN
PHR2005-50MG04061835238415