but-2-ynal CAS 1119-19-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1119-19-3 |
| Molecular Formula | C4H4O |
| Molecular Weight | 68.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies but-2-ynal (CAS 1119-19-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H4O. Molecular weight: 68.07 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H4O |
| Molecular Weight | 68.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Related but Standards
Recommended Standards
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- N-(2-(3-(1-(3-Fluorophenyl)-5-oxopyrrolidin-3-yl)ureido)ethyl)acetamide (CAS 894034-56-1)
- 3-Bromo-6-methyl-5-nitro-1H-pyridin-2-one (CAS 874493-25-1)
- Others Impurity 85 (CAS 731016-26-5)
- 1-[4,6-Dimethyl-1-(4-methylbenzoyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-1H-pyrrole (CAS 439108-44-8)
- 2-methyl-4-oxo-3H,4H-pyrrolo[2,1-f][1,2,4]triazine-7-carboxylic acid (CAS 1783670-28-9)
- Semaglutide impurity 68 (CAS CATO-C4X-222668)
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 13829788188 / jacky.chen@cato-chem.com