1-[2-(Ethylthio)ethyl]-2-methyl-5-nitro-1H-imidazole
- CAS
- 28795-33-7
- Formula
- C8H13N3O2S
- MW
- 215.28 g/mol
ZX-027290
Pharmacopeial Impurities (EP / USP / BP)
Tinidazole EP Impurity B
Reference StandardAvailable on request
Order Tinidazole EP Impurity B (CAS 25459-12-5) online at Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.
CAS number25459-12-5
FormulaC8H13N3O4S
Molar mass247.27 g/mol
Physical formSolid
HS code38229090
InChIKeyGHJQUSZGINOURI-UHFFFAOYSA-N
IUPAC name1-(2-ethylsulfonylethyl)-2-methyl-4-nitroimidazole
About Tinidazole EP Impurity B
Tinidazole EP Impurity B belongs to the Tinidazole reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 25459-12-5, formula C8H13N3O4S and molar mass 247.27 g/mol. It is handled as a solid.
Where it is used
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Handling and storage
It carries the GHS signal word Warning (H312+H332, H312, H332 and H341), so wear gloves and eye protection and work with good ventilation.
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Reference standards for Tinidazole
See every impurity, metabolite and related compound we list for this API.
Tinidazole standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Tinidazole EP Impurity B |
|---|---|
| Catalogue number | ZX-022913 |
| CAS number | 25459-12-5 |
| IUPAC name | 1-(2-ethylsulfonylethyl)-2-methyl-4-nitroimidazole |
| Molecular formula | C8H13N3O4S |
| Molar mass | 247.27 g/mol |
| Exact mass | 247.0627 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.2 |
| H-bond donors / acceptors | 0 / 5 |
| Topological polar surface area | 106 Ų |
| HS code | 38229090 |
| InChIKey | GHJQUSZGINOURI-UHFFFAOYSA-N |
| SMILES | CCS(=O)(=O)CCN1C=C(N=C1C)[N+](=O)[O-] |
| PubChem CID | 33007 |
| Synonyms | Tinidazole - Impurity B, 1-(2-(Ethylsulfonyl)ethyl)-2-methyl-4-nitro-1H-imidazole, 1H-Imidazole, 1-(2-(ethylsulfonyl)ethyl)-2-methyl-4-nitro-, 4-Nitro-5-desnitro Tinidazole, 1-[2-(ethylsulfonyl)ethyl]-2-methyl-4-nitro-1H-imidazole, Tinidazole Impurity B, 1-[2-(ethanesulfonyl)ethyl]-2-methyl-4-nitro-1H-imidazole, 1-(2-ethylsulfonyl-ethyl)-2-methyl-nitroimidazole |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H312+H332Harmful in contact with skin or if inhaled
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H341Suspected of causing genetic defects
- H351Suspected of causing cancer
Precautionary statements P203, P261, P271, P280, P302 + P352, P304 + P340, P317, P318, P321, P362 + P364, 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 Tinidazole EP Impurity B
Which CAS number identifies Tinidazole EP Impurity B?
Tinidazole EP Impurity B is registered under CAS 25459-12-5. You may also see it listed as Tinidazole - Impurity B, 1-(2-(Ethylsulfonyl)ethyl)-2-methyl-4-nitro-1H-imidazole, 1H-Imidazole, 1-(2-(ethylsulfonyl)ethyl)-2-methyl-4-nitro-. Our catalogue number for this item is ZX-022913.
What are the formula and molar mass of Tinidazole EP Impurity B?
For Tinidazole EP Impurity B, its formula is C8H13N3O4S and its molar mass is 247.27 g/mol. The systematic (IUPAC) name is 1-(2-ethylsulfonylethyl)-2-methyl-4-nitroimidazole. InChIKey GHJQUSZGINOURI-UHFFFAOYSA-N lets you match it in any structure database.
How is Tinidazole EP Impurity B used in pharmaceutical QC?
Tinidazole EP Impurity B is a characterised reference material linked to Tinidazole. 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 Tinidazole EP Impurity B?
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 Tinidazole EP Impurity B?
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 Tinidazole EP Impurity B to my country?
Yes. Because Tinidazole EP Impurity B 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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