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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid

Synonyms: 2-methyl-5-(2-methylpropyl)-4-nitropyrazole-3-carboxylic acid · 1-methyl-3-(2-methylpropyl)-4-nitro-1h-pyrazole-5-carboxylic acid · 5-Isobutyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid · 5-isobutyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid

CAS No.1004455-71-3
FormulaC9H13N3O4
Mol. weight227.22
Catalogue No.VQ-044017
PurityReference Standard
HSN38229090

3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 1004455-71-3) – Sildenafil impurity standard. C9H13N3O4, MW 227.22. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid

3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 1004455-71-3) is an impurity of Sildenafil offered by Vaqora Chemicals. Formula C9H13N3O4, molecular weight 227.22 g/mol. The IUPAC name is 1-methyl-3-(2-methylpropyl)-4-nitropyrazole-5-carboxylic acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Sildenafil to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Sildenafil

View every impurity, metabolite and intermediate we list for Sildenafil.

Sildenafil impurities

Specifications & identifiers

Chemical identifiers
Product name3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid
Catalogue No.VQ-044017
CAS Number1004455-71-3
IUPAC name1-methyl-3-(2-methylpropyl)-4-nitropyrazole-5-carboxylic acid
Molecular formulaC9H13N3O4
Molecular weight227.22 g/mol
Exact mass227.0906
GradeReference Standard
HSN code38229090
InChIKeyGIYYGHMYUNYGKY-UHFFFAOYSA-N
SMILESCC(C)CC1=NN(C(=C1[N+](=O)[O-])C(=O)O)C
PubChem CID7174455
Physical properties
Physical formSolid
LogP (XLogP3)1.5
H-bond donors / acceptors1 / 5
TPSA101 Ų
Synonyms2-methyl-5-(2-methylpropyl)-4-nitropyrazole-3-carboxylic acid, 1-methyl-3-(2-methylpropyl)-4-nitro-1h-pyrazole-5-carboxylic acid, 5-Isobutyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid, 5-isobutyl-2-methyl-4-nitro-2 h-pyrazole-3-carboxylic acid, 5-isobutyl-2-methyl-4-nitro-pyrazole-3-carboxylic acid

Documents

Frequently asked questions

What is the CAS number of 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid?

The CAS Registry Number of 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid is 1004455-71-3. It is also known as 2-methyl-5-(2-methylpropyl)-4-nitropyrazole-3-carboxylic acid, 1-methyl-3-(2-methylpropyl)-4-nitro-1h-pyrazole-5-carboxylic acid, 5-Isobutyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid.

What is the molecular formula and molecular weight of 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid?

3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid has the molecular formula C9H13N3O4 and a molecular weight of 227.22 g/mol. Its IUPAC name is 1-methyl-3-(2-methylpropyl)-4-nitropyrazole-5-carboxylic acid.

What is 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid used for?

3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid is supplied as a characterised reference material related to Sildenafil. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid can I order?

We supply 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid?

Yes. Every lot of 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid be shipped internationally?

Yes. We export 3-Isobutyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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