Urea JP Grade (Japanese Pharmaceutical Grade) CAS 4861-19-2
| CAS No. | 4861-19-2 |
| Molecular Formula | H3O4P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 158.05 g/mol gives Urea JP Grade (Japanese Pharmaceutical Grade) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Urea JP Grade (Japanese Pharmaceutical Grade) (CAS 4861-19-2), molecular formula H3O4PCH4N2O and molecular weight 158.05 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a phosphate ester group, Urea JP Grade (Japanese Pharmaceutical Grade) is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 158.05 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | H3O4P CH4N2O |
| Molecular Weight | 158.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-Methyl-3-(methylthio)propanenitrile (CAS 1183030-38-7)
- 1-(Chroman-3-yl)prop-2-en-1-one (CAS 1486815-36-4)
- 2-(4-Aminophenyl)propane-1,3-diol (CAS 126489-69-8)
- Sildenafil Impurity 11 (CAS 139756-03-9)
- N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 328287-35-0)
- 1024017-53-5 4-(tert-butoxymethyl)phenylboronic acid 4-Boronobenzyl tert-butyl ether (CAS 1024017-53-5)
- 2-((4-Ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(m-tolyl)acetamide (CAS 333331-30-9)
- 2-(2-Phenyl-thiazol-5-yl)-ethylamine hydrochloride (CAS 1187930-82-0)
- 3-((Tetrahydro-2H-pyran-4-yl)oxy)propan-1-amine (CAS 933758-72-6)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com