1,3-Bis(4-bromophenyl)urea CAS 6341-55-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6341-55-5 |
| Molecular Formula | C18H16O4 |
| Molecular Weight | 296.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Bis(4-bromophenyl)urea (CAS 6341-55-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H16O4. Molecular weight: 296.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H16O4 |
| Molecular Weight | 296.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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- 4-(4-Bromophenyl)-4-dimethylaminocyclohexanone (CAS 65619-52-5)
- 2-(2-Bromophenyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-amine (CAS 1418273-33-2)
- 5-(4-Bromophenyl)-4-(prop-2-en-1-yl)-4h-1,2,4-triazole-3-thiol (CAS 91813-57-9)
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- n-{1-[5-(3-bromophenyl)thiophen-2-yl]ethylidene}hydroxylamine, mixture of isomers (CAS 1118787-06-6)
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Recommended Standards
- 1,3-Bis(3-acetylphenyl)urea (CAS 501002-05-7)
- 1,4-Dimethoxy-2,3-dimethylanthracene-9,10-dione (CAS 67122-24-1)
- 1,2-Diethoxyanthracene-9,10-dione (CAS 83584-93-4)
- 2-(3-Fluorophenyl)pyrimidine (CAS 68049-16-1)
- 3,6-Dimethyl-1-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 319923-90-5)
- Ethyl 2-[N-(2,4-dichloro-5-methoxyphenyl)4-chlorobenzenesulfonamido]acetate (CAS 338961-33-4)
- 2-(2-(Thiophen-2-yl)acetamido)thiazole-4-carboxylic acid (CAS 1082167-90-5)
- Paclitaxel Impurity R (CAS 159001-25-9)
- (4,6-Diamino-3-(difluoromethyl)pyridin-2-yl)methanol (CAS 1805321-53-2)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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