Doxycycline EP Impurity A HCl CAS 41411-66-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 41411-66-9 |
| Molecular Formula | C22H24N2O8 HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Doxycycline EP Impurity A HCl (CAS 41411-66-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H24N2O8 HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H24N2O8 HCl |
| Molecular Weight | 480.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Doxycycline Standards
- Doxycycline Hydrochloride (CAS 10592-13-9)
- Doxycycline EP Impurity F (CAS 122861-53-4)
- Doxycycline Monohydrate (CAS 17086-28-1)
- Doxycycline-13CD3 (CAS 1902958-13-7)
- Doxycycline Impurity 20 (CAS 2000233-92-9)
- Doxycycline Hyclate (CAS 24390-14-5)
- Doxycycline-d3 (CAS 2747918-45-0)
- Doxycycline-d3 HCl (CAS 2747918-45-0 (free base))
Recommended Standards
- Fosaprepitant Impurity 45 (CAS CATO-C4X-116845)
- Canagliflozin Impurity 109 (CAS CATO-C4X-1123109)
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- (2E)-1-(3,4-Dichlorophenyl)-3-(5-methylfuran-2-yl)prop-2-en-1-one (CAS 92153-08-7)
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- 2,3-Dimethyl-6-(trifluoromethyl)imidazo[2,1-b]thiazole-5-carboxamide (CAS 1956324-18-7)
- Neuropeptide Y, porcine (CAS 82785-45-3)
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