ML 133 HCl CAS 1222781-70-5
| CAS No. | 1222781-70-5 |
| Molecular Formula | C19H19NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures ML 133 HCl 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.
CATO supplies ML 133 HCl (CAS 1222781-70-5), a certified reference material (molecular formula C19H19NOHCl, MW 313.82 g/mol) for analytical method development and quality control.
Structurally, ML 133 HCl (C19H19NOHCl) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 313.82 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C19H19NO HCl |
| Molecular Weight | 313.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (5-Isopropyl-3-methylisoxazol-4-yl)methanol (CAS 99299-08-8)
- (R)-2-((tert-Butoxycarbonyl)amino)-2-(1-methylcyclohexyl)acetic acid (CAS 1200405-64-6)
- Pravastatin Sodium (CAS 81131-70-6)
- 1-Chloro-2-formyl-3-methylbenzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile (CAS 107145-02-8)
- 4-[(2-methoxyethoxy)carbonyl]-3,5-dimethyl-1h-pyrrole-2-carboxylic acid (CAS 1114822-74-0)
- Landiolol Impurity 118 (CAS CATO-C4X-2621118)
- 4-((Benzyloxy)methyl)-3,3-difluoropiperidine (CAS 1206540-49-9)
- 5,6-Dimethyl-3-(methylamino)pyrazine-2-carboximidamide (CAS 119151-98-3)
- Ertugliflozin Impurity 36 (CAS CATO-C4X-301136)
- Semaglutide impurity 29 (CAS 1188328-22-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com