Almandine CAS 1302-62-1
| CAS No. | 1302-62-1 |
| Molecular Formula | H4O4Si |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Almandine (CAS 1302-62-1), molecular formula H4O4SiFeAl and molecular weight 178.94 g/mol, is a CATO reference standard with documented purity and traceability.
Almandine (H4O4SiFeAl) contains an inorganic composition. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | H4O4Si Fe Al |
| Molecular Weight | 178.94 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- N-[4-(carbamoylmethyl)phenyl]acetamide (CAS 1060283-53-5)
- 1,1,1,3,3,3-Hexaphenyldisiloxane (CAS 1829-40-9)
- (3-Bromo-4-ethoxyphenyl)methanamine (CAS 1491549-11-1)
- Sodium Indoline-2-sulfonate (CAS 26807-68-1)
- 5-(tert-Butyl) 2-ethyl 7,8-dihydro-4H-pyrazolo[1,5-a][1,4]diazepine-2,5(6H)-dicarboxylate (CAS 1250997-22-8)
- 3-(3-Ethoxyphenyl)-4-((2-hydroxy-3-methoxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 613249-49-3)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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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