1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide
- CAS
- 139756-01-7
- Formula
- C8H12N4O3
- MW
- 212.21 g/mol
ZX-026924
API Impurities
Sildenafil Methyl Sulfonate Ester Impurity
Reference StandardAvailable on request
Sildenafil Methyl Sulfonate Ester Impurity (CAS 2512206-40-3) supplier Zemixal. Request a quote with price, lead time and documents.
CAS number2512206-40-3
FormulaC18H22N4O5S
Molar mass406.5 g/mol
Physical formSolid
HS code38229090
InChIKeyXYOGBUPNWZHTKL-UHFFFAOYSA-N
IUPAC namemethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonate
About Sildenafil Methyl Sulfonate Ester Impurity
Sildenafil Methyl Sulfonate Ester Impurity is supplied by Zemixal as a characterised reference material for Sildenafil analysis. Key data (Reference Standard): CAS 2512206-40-3, formula C18H22N4O5S and molar mass 406.5 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. 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 standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Sildenafil Methyl Sulfonate Ester Impurity |
|---|---|
| Catalogue number | ZX-026925 |
| CAS number | 2512206-40-3 |
| IUPAC name | methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonate |
| Molecular formula | C18H22N4O5S |
| Molar mass | 406.5 g/mol |
| Exact mass | 406.1311 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.8 |
| H-bond donors / acceptors | 1 / 7 |
| Topological polar surface area | 120 Ų |
| HS code | 38229090 |
| InChIKey | XYOGBUPNWZHTKL-UHFFFAOYSA-N |
| SMILES | CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)OC)OCC)C |
| PubChem CID | 139597940 |
| Synonyms | Sildenafil Sulfonyl Methyl Ester, Sildenafil Impurity 18 |
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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Sildenafil Methyl Sulfonate Ester Impurity
Which CAS number identifies Sildenafil Methyl Sulfonate Ester Impurity?
Sildenafil Methyl Sulfonate Ester Impurity is registered under CAS 2512206-40-3. You may also see it listed as Sildenafil Sulfonyl Methyl Ester, Sildenafil Impurity 18. Our catalogue number for this item is ZX-026925.
What are the formula and molar mass of Sildenafil Methyl Sulfonate Ester Impurity?
For Sildenafil Methyl Sulfonate Ester Impurity, its formula is C18H22N4O5S and its molar mass is 406.5 g/mol. The systematic (IUPAC) name is methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-5-yl)benzenesulfonate. InChIKey XYOGBUPNWZHTKL-UHFFFAOYSA-N lets you match it in any structure database.
How is Sildenafil Methyl Sulfonate Ester Impurity used in pharmaceutical QC?
Sildenafil Methyl Sulfonate Ester Impurity 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 Sildenafil Methyl Sulfonate Ester Impurity?
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 Sildenafil Methyl Sulfonate Ester Impurity?
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 Sildenafil Methyl Sulfonate Ester Impurity to my country?
Yes. Sildenafil Methyl Sulfonate Ester Impurity ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Sildenafil standards
More in API Impurities
4-[[2-Ethoxy-5-[(4-methyl-1-piperazinyl)- sulfonyl]benzoyl]amino]-1-methyl-3-propyl- 1H-pyrazole-5-carboxamide
- CAS
- 200575-15-1
- Formula
- C22H32N6O5S
- MW
- 492.6 g/mol
ZX-026926
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
- Formula
- C18H20N4O4
- MW
- 356.4 g/mol
ZX-026927
Ethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate
- CAS
- 1971915-89-5
- Formula
- C19H24N4O5S
- MW
- 420.5 g/mol
ZX-026929
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro- 7H-pyrazolo[4,3-d]pyrimidin-7-one
- CAS
- 139756-21-1
- Formula
- C17H20N4O2
- MW
- 312.37 g/mol
ZX-022769
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid
- CAS
- 139756-00-6
- Formula
- C8H11N3O4
- MW
- 213.19 g/mol
ZX-022768
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