5-(2-Ethoxyphenyl)-2-methyl-3-propyl-2,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
- CAS
- 501120-40-7
- Formula
- C17H20N4O2
- MW
- 312.37 g/mol
ZX-042498
API Impurities
Methyl hydrogen sulphate
Reference StandardAvailable on request
Methyl hydrogen sulphate (CAS 75-93-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.
CAS number75-93-4
FormulaCH4O4S
Molar mass112.11 g/mol
Physical formSolid
HS code38229090
InChIKeyJZMJDSHXVKJFKW-UHFFFAOYSA-N
IUPAC namemethyl hydrogen sulfate
About Methyl hydrogen sulphate
Zemixal lists Methyl hydrogen sulphate for laboratories that identify, quantify or control Sildenafil and its related substances. Identity at a glance (Reference Standard): CAS 75-93-4, formula CH4O4S and molar mass 112.11 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
Handling and storage
It carries the GHS signal word Danger (H314 and H318), so wear gloves and eye protection and work with good ventilation.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
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 | Methyl hydrogen sulphate |
|---|---|
| Catalogue number | ZX-042499 |
| CAS number | 75-93-4 |
| IUPAC name | methyl hydrogen sulfate |
| Molecular formula | CH4O4S |
| Molar mass | 112.11 g/mol |
| Exact mass | 111.983 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.8 |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 72 Ų |
| HS code | 38229090 |
| InChIKey | JZMJDSHXVKJFKW-UHFFFAOYSA-N |
| SMILES | COS(=O)(=O)O |
| PubChem CID | 6412 |
| Synonyms | Methyl sulfate, Methoxysulfonic acid, Methylsulfuric acid, Sulfuric acid, monomethyl ester, sulfuric acid monomethyl ester, methylsulfate, methyl sulphate, Methyl bisulfate, methanol sulfate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
Precautionary statements P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
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 Methyl hydrogen sulphate
Which CAS number identifies Methyl hydrogen sulphate?
Methyl hydrogen sulphate is registered under CAS 75-93-4. You may also see it listed as Methyl sulfate, Methoxysulfonic acid, Methylsulfuric acid. Our catalogue number for this item is ZX-042499.
What are the formula and molar mass of Methyl hydrogen sulphate?
For Methyl hydrogen sulphate, its formula is CH4O4S and its molar mass is 112.11 g/mol. The systematic (IUPAC) name is methyl hydrogen sulfate. InChIKey JZMJDSHXVKJFKW-UHFFFAOYSA-N lets you match it in any structure database.
How is Methyl hydrogen sulphate used in pharmaceutical QC?
Methyl hydrogen sulphate 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 Methyl hydrogen sulphate?
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 Methyl hydrogen sulphate?
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 Methyl hydrogen sulphate to my country?
Yes. Because Methyl hydrogen sulphate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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