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5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

Reference StandardAvailable on request

Order 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 147676-78-6) online at Zemixal…

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5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one chemical structure
CAS number147676-78-6
FormulaC18H20N4O4
Molar mass356.4 g/mol
Physical formSolid
HS code38229090
InChIKeyUUNWDXYDLDBMRV-UHFFFAOYSA-N
IUPAC name4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzoic acid

About 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one is supplied by Zemixal as a characterised reference material for Sildenafil analysis. Identity at a glance (Reference Standard): CAS 147676-78-6, formula C18H20N4O4 and molar mass 356.4 g/mol. It is handled as a solid.

Where it is used

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Sildenafil

See every impurity, metabolite and related compound we list for this API.

Sildenafil standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Product name5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Catalogue numberZX-026927
CAS number147676-78-6
IUPAC name4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzoic acid
Molecular formulaC18H20N4O4
Molar mass356.4 g/mol
Exact mass356.1485
GradeReference Standard
Physical formSolid
XLogP32
H-bond donors / acceptors2 / 6
Topological polar surface area106 Ų
HS code38229090
InChIKeyUUNWDXYDLDBMRV-UHFFFAOYSA-N
SMILESCCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)C(=O)O)OCC)C
PubChem CID135565085
SynonymsAcetil acid, 4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid, 4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoicacid, Acetil-acid, 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid, 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

Which CAS number identifies 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one?
5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one is registered under CAS 147676-78-6. You may also see it listed as Acetil acid, 4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid, 4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoicacid. Our catalogue number for this item is ZX-026927.
What are the formula and molar mass of 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one?
For 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, its formula is C18H20N4O4 and its molar mass is 356.4 g/mol. The systematic (IUPAC) name is 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzoic acid. InChIKey UUNWDXYDLDBMRV-UHFFFAOYSA-N lets you match it in any structure database.
How is 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one used in pharmaceutical QC?
5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one is a characterised reference material linked to Sildenafil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one to my country?
Yes. 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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