Captopril EP Impurity D CAS 56970-78-6
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 56970-78-6 |
| Molecular Formula | C4H7BrO2 |
| Molecular Weight | 167.00 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Captopril EP Impurity D (CAS 56970-78-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C4H7BrO2. Molecular weight: 167.00 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H7BrO2 |
| Molecular Weight | 167.00 g/mol |
| Purity | >90% |
| 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) | 1.0 |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
Related Captopril Standards
- Captopril EP Impurity G (R-Isomer) (CAS 74431-52-0)
- Captopril EP Impurity G (CAS 33325-40-5)
- Captopril EP Impurity G (S-Isomer) (CAS 76497-39-7)
- Captopril Impurity 31 (CAS 69570-39-4)
- Captopril Impurity 8 (CAS 74345-73-6)
- Captopril Impurity 26 (CAS 51161-88-7)
- Captopril EP Impurity E (CAS 23500-15-4)
- Captopril Impurity 37(Piracetam Impurity E) (CAS 1249080-59-8)
Recommended Standards
- 4-Bromobutyric acid (CAS 2623-87-2)
- Travoprost Impurity 56 (CAS 105-36-2)
- 2-Bromomethyl-1,3-dioxolane (CAS 4360-63-8)
- Teprenone impurity 53 (CAS CATO-C4X-208153)
- Solriamfetol Impurity 14 (CAS CATO-C4X-256314)
- 1,3-Dioxaindane-5-thiol (CAS 5274-08-8)
- 1-(Furan-2-ylmethyl)piperidine-3-carbohydrazide (CAS 415937-00-7)
- (2S,4R)-1-(tert-butoxycarbonyl)-4-((tert-butyldiphenylsilyl)oxy)pyrrolidine-2-carboxylic acid (CAS 1357471-22-7)
- Hydroxylamine hemioxalate (CAS 4682-08-0)
- Neuropeptide S (rat) (CAS 412938-75-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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