N-Methyl-1-(5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanamine
- CAS
- 881732-90-7
- Formula
- C17H17N3O2S
- MW
- 327.4 g/mol
ZX-023040
API Impurities
3-Pyridinesulfonic acid
Reference StandardAvailable on request
3-Pyridinesulfonic acid (CAS 636-73-7) supplier Zemixal: C5H5NO3S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-023041.
CAS number636-73-7
FormulaC5H5NO3S
Molar mass159.17 g/mol
Physical formSolid
HS code38229090
InChIKeyDVECLMOWYVDJRM-UHFFFAOYSA-N
IUPAC namepyridine-3-sulfonic acid
About 3-Pyridinesulfonic acid
3-Pyridinesulfonic acid belongs to the Vonoprazan reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 636-73-7, formula C5H5NO3S and molar mass 159.17 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
Storage and safety notes
Hazard communication follows GHS (Danger: H314, H315, H318 and H319). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with 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 Vonoprazan
See every impurity, metabolite and related compound we list for this API.
Vonoprazan standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 3-Pyridinesulfonic acid |
|---|---|
| Catalogue number | ZX-023041 |
| CAS number | 636-73-7 |
| IUPAC name | pyridine-3-sulfonic acid |
| Molecular formula | C5H5NO3S |
| Molar mass | 159.17 g/mol |
| Exact mass | 158.999 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.4 |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 75.6 Ų |
| HS code | 38229090 |
| InChIKey | DVECLMOWYVDJRM-UHFFFAOYSA-N |
| SMILES | C1=CC(=CN=C1)S(=O)(=O)O |
| PubChem CID | 69468 |
| Synonyms | Pyridine-3-sulphonic acid, 3-Pyridylsulfonic acid, 3-Sulfopyridine, beta-Sulfopyridine, Ethyl 3-[(Tetrahydropyranyl)oxy]butanoate, pyridine, 3-sulpho-, pyridine-3-sulfonicacid, Pyridin-3-sulfonic acid |
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
- H315Causes skin irritation
- H318Causes serious eye damage
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P363, P403 + P233, 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 3-Pyridinesulfonic acid
Which CAS number identifies 3-Pyridinesulfonic acid?
3-Pyridinesulfonic acid is registered under CAS 636-73-7. You may also see it listed as Pyridine-3-sulphonic acid, 3-Pyridylsulfonic acid, 3-Sulfopyridine. Our catalogue number for this item is ZX-023041.
What are the formula and molar mass of 3-Pyridinesulfonic acid?
For 3-Pyridinesulfonic acid, its formula is C5H5NO3S and its molar mass is 159.17 g/mol. The systematic (IUPAC) name is pyridine-3-sulfonic acid. InChIKey DVECLMOWYVDJRM-UHFFFAOYSA-N lets you match it in any structure database.
How is 3-Pyridinesulfonic acid used in pharmaceutical QC?
3-Pyridinesulfonic acid is a characterised reference material linked to Vonoprazan. 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 3-Pyridinesulfonic acid?
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 3-Pyridinesulfonic acid?
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 3-Pyridinesulfonic acid to my country?
Yes. Because 3-Pyridinesulfonic acid 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.
More Vonoprazan standards
More in API Impurities
5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carboxylic Acid
- CAS
- 1883595-37-6
- Formula
- C16H11FN2O4S
- MW
- 346.3 g/mol
ZX-023039
(5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanol
- CAS
- 2169271-28-5
- Formula
- C16H13FN2O3S
- MW
- 332.4 g/mol
ZX-023038
1-(5-(2-Fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine
- CAS
- 1610043-62-3
- Formula
- C12H13FN2
- MW
- 204.24 g/mol
ZX-027612
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