N,1-Dimethyl-4-(methyl(nitroso)amino)-1H-imidazole-5-carboxamide
- CAS
- 145438-96-6
- Formula
- C7H11N5O2
- MW
- 197.19 g/mol
ZX-020100
Pharmacopeial Impurities (EP / USP / BP)
Caffeine EP Impurity B
Reference StandardAvailable on request
Order Caffeine EP Impurity B (CAS 7597-60-6) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.
CAS number7597-60-6
FormulaC7H10N4O3
Molar mass198.18 g/mol
Physical formSolid
HS code38229090
InChIKeyZNDGAXCBZGSJGU-UHFFFAOYSA-N
IUPAC nameN-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)formamide
About Caffeine EP Impurity B
Caffeine EP Impurity B belongs to the Caffeine reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 7597-60-6, formula C7H10N4O3 and molar mass 198.18 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
Handling and storage
Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 Caffeine
See every impurity, metabolite and related compound we list for this API.
Caffeine standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Caffeine EP Impurity B |
|---|---|
| Catalogue number | ZX-020405 |
| CAS number | 7597-60-6 |
| IUPAC name | N-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)formamide |
| Molecular formula | C7H10N4O3 |
| Molar mass | 198.18 g/mol |
| Exact mass | 198.0753 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | -0.6 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 95.7 Ų |
| HS code | 38229090 |
| InChIKey | ZNDGAXCBZGSJGU-UHFFFAOYSA-N |
| SMILES | CN1C(=C(C(=O)N(C1=O)C)NC=O)N |
| PubChem CID | 82070 |
| Synonyms | Theophylline EP Impurity C, Caffeine - Impurity B, Theophylline - Impurity C, n-(6-amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide, 6-Amino-5-formamido-1,3-dimethyluracil, Formamide,N-(6-amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-, 1,3-dimethyl-4-amino-5-formylaminouracil, N-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)ormamide, N-(4-amino-1,3-dimethyl-2,6-dioxo-pyrimidin-5-yl)formamide |
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
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, 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 Caffeine EP Impurity B
Which CAS number identifies Caffeine EP Impurity B?
Caffeine EP Impurity B is registered under CAS 7597-60-6. You may also see it listed as Theophylline EP Impurity C, Caffeine - Impurity B, Theophylline - Impurity C. Our catalogue number for this item is ZX-020405.
What are the formula and molar mass of Caffeine EP Impurity B?
For Caffeine EP Impurity B, its formula is C7H10N4O3 and its molar mass is 198.18 g/mol. The systematic (IUPAC) name is N-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)formamide. InChIKey ZNDGAXCBZGSJGU-UHFFFAOYSA-N lets you match it in any structure database.
How is Caffeine EP Impurity B used in pharmaceutical QC?
Caffeine EP Impurity B is a characterised reference material linked to Caffeine. 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 Caffeine 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 Caffeine 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 Caffeine EP Impurity B to my country?
Yes. Because Caffeine 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.
More Caffeine standards
More in Pharmacopeial Impurities (EP / USP / BP)
Caffeine EP Impurity E Hydrochloride (Caffeidine Hydrochloride)
- CAS
- 107605-95-8
- Formula
- C7H13ClN4O
- MW
- 204.66 g/mol
ZX-028406
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.