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:
Molecular Weight:
350.31
UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
Quality Segment
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
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