Theophylline Impurity 8 CAS 5309-70-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5309-70-6 |
| Molecular Formula | C4H5BrO2 |
| Molecular Weight | 164.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Theophylline Impurity 8 (CAS 5309-70-6) pharmaceutical standards reference standard. Molecular formula: C4H5BrO2. Molecular weight: 164.99 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H5BrO2 |
| Molecular Weight | 164.99 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
Related Theophylline Standards
- Theophylline Impurity 2 (CAS 6136-37-4)
- Theophylline EP Impurity B (CAS 1076-22-8)
- Theophylline Impurity 43 (CAS 63125-83-7)
- Theophylline Impurity 3 (CAS 40012-14-4)
- Theophylline EP Impurity D (CAS 6736-40-9)
- Theophylline Impurity 27 (CAS 15837-08-8)
- Theophylline-1,3-15N2,13C (CAS 1246816-25-0)
- Theophylline-1,3-15N2-2-13C, 98% (CP) (CAS 84718-95-6)
Recommended Standards
- rel-(1R,2S)-2-Bromocyclopropane-1-carboxylic acid (CAS 60212-40-0)
- 2-propenoic acid, 2-bromo-, methyl ester 4519-46-4 InChI=1/C4H5BrO2/c1-3(5)4(6)7-2/h1H2,2H methyl 2-bromoacrylate (CAS 4519-46-4)
- 4-Bromodihydrofuran-3(2H)-one (CAS 204926-50-1)
- 2-Cyanoethyl acrylate (CAS 106-71-8)
- 9-Bromo-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (CAS 1780617-23-3)
- 2-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)-1-methylpiperazine dihydrochloride (CAS 1803605-20-0)
- Methyl 2-morpholino-2-phenylacetate hydrochloride (CAS 27594-62-3)
- 1-Allyl-3-(5-(3-(methylthio)phenyl)-1,3,4-oxadiazol-2-yl)urea (CAS 1226445-17-5)
- Ethyl 4-((3-(4-fluorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-3-oxobutanoate (CAS 852374-39-1)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510840-70-6)
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