4H-Pyran-4-one hydrochloride CAS 90981-30-9
| CAS No. | 90981-30-9 |
| Molecular Formula | C5H4O2 |
| 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 4H-Pyran-4-one hydrochloride.
4H-Pyran-4-one hydrochloride (CAS 90981-30-9), molecular formula C5H4O2HCl and molecular weight 132.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H4O2HCl, 4H-Pyran-4-one hydrochloride contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 132.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4H-Pyran-4-one 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 | C5H4O2 HCl |
| Molecular Weight | 132.54 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 | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
Related H Standards
- 2H-Pyran-2,4,6(3H,5H)-trione (CAS 10521-08-1)
- 2H-Pyran-2-selenone (CAS 110214-18-1)
- 2H-Pyran-2,5-diol (CAS 113895-83-3)
- 2H-Pyran-4-amine, N-(5-bromo-2-nitrophenyl)tetrahydro- (CAS 1162696-22-1)
- 2H-Pyran-4-ol, tetrahydro-4-methyl-2-propyl-, 4-acetate (CAS 131766-73-9)
- 2H-Pyran-3(4H)-imine (CAS 143754-73-8)
- 16698-52-5 2H-Pyran-2-carboxylic acid, 3,4-dihydro-, sodium salt Sodium 3,4-dihydro-2H-pyran-2-carboxylate AI3-50068 EINECS 240-748-7 (CAS 16698-52-5)
- 1927-62-4 2H-Pyran,tetrahydro-2-(phenylmethoxy)- CTK4E1072 (CAS 1927-62-4)
Recommended Standards
- thieno[2,3-b]pyridin-5-ylboronic acid (CAS 1370040-75-7)
- 3-Phenyl-N-(2-(pyrimidin-5-yl)ethyl)acrylamide (CAS 2035017-97-9)
- Diethoxymethyl acetate (CAS 14036-06-7)
- (3E)-3-[(3-Nitrophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one (CAS 159928-36-6)
- 1,3-dioxane-2-carboxylic acid (CAS 204527-26-4)
- 1,2-Dimethyl-1H-imidazole-4-carbaldehyde (CAS 1038776-26-9)
- N-(5-(Benzylsulfinyl)-1,2,4-thiadiazol-3-yl)acetamide (CAS 922504-50-5)
- 2-Bromo-4-pyrrolidin-1-ylpyridine (CAS 230618-42-5)
- 4-(N-Butyl-N-methylsulfamoyl)benzoic acid (CAS 887202-44-0)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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