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API ImpuritiesReference StandardAvailable on request

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide

Synonyms: Sildenafil amide · 2-methyl-4-nitro-5-propylpyrazole-3-carboxamide · 1H-Pyrazole-5-carboxamide, 1-methyl-4-nitro-3-propyl- · 1-methyl-4-nitro3-propylpyrazole-5-carboxamide

CAS No.139756-01-7
FormulaC8H12N4O3
Mol. weight212.21
Catalogue No.VQ-028020
PurityReference Standard
HSN38229090

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide (CAS 139756-01-7) – Sildenafil impurity standard. C8H12N4O3, MW 212.21. 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
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DG-compliant packing

About 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide (CAS 139756-01-7) is an impurity of Sildenafil offered by Vaqora Chemicals. Its molecular formula is C8H12N4O3 and its molecular weight is 212.21 g/mol. Its systematic (IUPAC) name is 1-methyl-4-nitro-3-propylpyrazole-5-carboxamide. Common synonyms include Sildenafil amide and 5-Carbamoyl-1-methyl-4-nitro-3-propylpyrazole.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide is dispatched with a Certificate of Analysis (COA) to destinations 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 name1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide
Catalogue No.VQ-028020
CAS Number139756-01-7
IUPAC name1-methyl-4-nitro-3-propylpyrazole-5-carboxamide
Molecular formulaC8H12N4O3
Molecular weight212.21 g/mol
Exact mass212.0909
GradeReference Standard
HSN code38229090
InChIKeyBMLPAJIEDKJHSB-UHFFFAOYSA-N
SMILESCCCC1=NN(C(=C1[N+](=O)[O-])C(=O)N)C
PubChem CID2754492
Physical properties
Physical formSolid
LogP (XLogP3)0.5
H-bond donors / acceptors1 / 4
TPSA107 Ų
SynonymsSildenafil amide, 2-methyl-4-nitro-5-propylpyrazole-3-carboxamide, 1H-Pyrazole-5-carboxamide, 1-methyl-4-nitro-3-propyl-, 1-methyl-4-nitro3-propylpyrazole-5-carboxamide, 5-Carbamoyl-1-methyl-4-nitro-3-propylpyrazole, 1-methyl4-nitro-3-n-propylpyrazole-5-carboxamide, 2-methyl-4-nitro-5-propyl-pyrazole-3-carboxamide, 1-methyl-4-nitro-3-n-propylpyrazole-5-carboxamide, 1-methyl-4-nitro-3-propyl-1H-5-pyrazole carboxamide, 1H-Pyrazole-5-carboxamide,1-methyl-4-nitro-3-propyl, 2-Methyl-4-nitro-5-propyl-2H-pyrazole-3-carboxamide

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements: P260, P264, P270, P273, P301 + P317, P319, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide?

The CAS Registry Number of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide is 139756-01-7. It is also known as Sildenafil amide, 2-methyl-4-nitro-5-propylpyrazole-3-carboxamide, 1H-Pyrazole-5-carboxamide, 1-methyl-4-nitro-3-propyl-.

What is the molecular formula and molecular weight of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide?

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide has the molecular formula C8H12N4O3 and a molecular weight of 212.21 g/mol. Its IUPAC name is 1-methyl-4-nitro-3-propylpyrazole-5-carboxamide.

What is 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide used for?

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide 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 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide can I order?

We supply 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide 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 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide?

Yes. Every lot of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide 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 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide be shipped internationally?

Yes. 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

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