2-Amino-5-(4-hydroxy-3,5- dimethoxybenzyl)pyrimidin-4-ol
- CAS
- 72920-13-9
- Formula
- C13H15N3O4
- MW
- 277.28 g/mol
ZX-032710
Pharmacopeial Impurities (EP / USP / BP)
Trimethoprim EP Impurity E
Reference StandardAvailable on request
Trimethoprim EP Impurity E (CAS 60729-91-1) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.
CAS number60729-91-1
FormulaC14H17N3O4
Molar mass291.3 g/mol
Physical formSolid
HS code38229090
InChIKeyOYDLMYVTTNXWRD-UHFFFAOYSA-N
IUPAC name6-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-2-one
About Trimethoprim EP Impurity E
Zemixal lists Trimethoprim EP Impurity E for laboratories that identify, quantify or control Trimethoprim and its related substances. Identity at a glance (Reference Standard): CAS 60729-91-1, formula C14H17N3O4 and molar mass 291.3 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Storage and safety notes
It carries the GHS signal word Danger (H301 and H302), 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 Trimethoprim
See every impurity, metabolite and related compound we list for this API.
Trimethoprim standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Trimethoprim EP Impurity E |
|---|---|
| Catalogue number | ZX-032709 |
| CAS number | 60729-91-1 |
| IUPAC name | 6-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-2-one |
| Molecular formula | C14H17N3O4 |
| Molar mass | 291.3 g/mol |
| Exact mass | 291.1219 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 0.7 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 95.2 Ų |
| HS code | 38229090 |
| InChIKey | OYDLMYVTTNXWRD-UHFFFAOYSA-N |
| SMILES | COC1=CC(=CC(=C1OC)OC)CC2=C(NC(=O)N=C2)N |
| PubChem CID | 13734022 |
| Synonyms | Trimethoprim - Impurity E, 2-Desamino-2-hydroxy trimethoprim, 4-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-ol, 2(1H)-Pyrimidinone, 6-amino-5-((3,4,5-trimethoxyphenyl)methyl)-, Trimethoprim Impurity E, 2(1H)-Pyrimidinone, 6-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-, 4-Amino-5-[(3,4,5-trimethoxyphenyl)methyl]-2(1H)-pyrimidinone, 6-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2(1H)-one, 4-Amino-5-(3,4,5-trimethoxybenzyl)p, 4-Amino-5-(3,4,5-trimethoxybenzyl) pyrimidin-2-ol, 6-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1,2-dihydropyrimidin-2-one, 6-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2(1H)-one, Trimethoprim Impurity |
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
- H301Toxic if swallowed
- H302Harmful if swallowed
Precautionary statements P203, P264, P270, P280, P301 + P316, P301 + P317, P318, P321, P330, 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 Trimethoprim EP Impurity E
Which CAS number identifies Trimethoprim EP Impurity E?
Trimethoprim EP Impurity E is registered under CAS 60729-91-1. You may also see it listed as Trimethoprim - Impurity E, 2-Desamino-2-hydroxy trimethoprim, 4-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-ol. Our catalogue number for this item is ZX-032709.
What are the formula and molar mass of Trimethoprim EP Impurity E?
For Trimethoprim EP Impurity E, its formula is C14H17N3O4 and its molar mass is 291.3 g/mol. The systematic (IUPAC) name is 6-amino-5-[(3,4,5-trimethoxyphenyl)methyl]-1H-pyrimidin-2-one. InChIKey OYDLMYVTTNXWRD-UHFFFAOYSA-N lets you match it in any structure database.
How is Trimethoprim EP Impurity E used in pharmaceutical QC?
Trimethoprim EP Impurity E is a characterised reference material linked to Trimethoprim. 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 Trimethoprim EP Impurity E?
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 Trimethoprim EP Impurity E?
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 Trimethoprim EP Impurity E to my country?
Yes. Because Trimethoprim EP Impurity E 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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