Demeclocycline Hydrochloride CAS 64-73-3
| CAS No. | 64-73-3 |
| Molecular Formula | C21H21ClN2O8 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Demeclocycline Hydrochloride.
Demeclocycline Hydrochloride (CAS 64-73-3), molecular formula C21H21ClN2O8HCl and molecular weight 501.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Demeclocycline Hydrochloride (C21H21ClN2O8HCl) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 501.31 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Demeclocycline Hydrochloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H21ClN2O8 HCl |
| Molecular Weight | 501.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >90% |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Demeclocycline Standards
- Demeclocycline (CAS 127-33-3)
- Demeclocycline EP Impurity C (CAS 129044-45-7)
- Demeclocycline EP Impurity B (CAS 14206-59-8)
- Demeclocycline EP Impurity G (CAS 22688-73-9)
- Demeclocycline EP Impurity E (CAS 4496-85-9)
- Demeclocycline Hydrochloride EP Impurity D (CAS 81181-91-1)
- Demeclocycline EP Impurity A (CAS 987-02-0)
- Demeclocycline Impurity 10 (CAS CATO-C4X-160810)
Recommended Standards
- 6-(Hydroxymethyl)pyridine-2-carbonitrile (CAS 50501-38-7)
- 6-Butylpyridin-2-amine (CAS 95337-74-9)
- (2E)-3-[5-(hydroxymethyl)furan-2-yl]prop-2-enoic acid (CAS 67310-57-0)
- 2,9-Dibromo-1,10-phenanthroline-5,6-dione (CAS 943861-95-8)
- Tert-butyl 3-fluoro-4-((methylsulfonyl)oxy)piperidine-1-carboxylate (CAS 1207176-25-7)
- 5-(1-Aminopropyl)-N-cyclopropyl-4-methylpyridin-2-amine (CAS 1355222-68-2)
- 4-(1-Benzylpyrrolidin-3-yl)morpholine (CAS 1245646-52-9)
- 6,6'-(((2,2-Dimethylpropane-1,3-diyl)bis(oxy))bis(carbonyl))bis(cyclohex-3-ene-1-carboxylic acid) (CAS 41026-17-9)
- 2-(5,5-Dioxido-10H-phenothiazin-10-yl)acetic acid (CAS 92163-98-9)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
Why CATO?
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