930-22-3
478ERR5NKR
3,4-Epoxy-1-butene
1-Butene, 3,4-epoxy-
1,2-Epoxy-3-butene
3,4-Epoxybut-1-ene
Oxirane, ethenyl-
Oxirane, 2-ethenyl-
AI3-16049
Butadiene epoxide
Butadiene monoepoxide
Butadiene monooxide
Butadiene monoxide
Butadiene oxide
1,3-Butadiene oxide
CCRIS 2614
EINECS 213-210-4
Epoxybutene
1,2-Epoxybutene
1,2-Epoxybutene-3
3,4-Epoxybutene
Ethenyloxirane
HSDB 5520
Monoepoxybutadiene
Monoepoxybutene
NSC 24251
NSC 8023
1,2-Oxido-3-butene
Vinylethylene oxide
Vinyloxirane
UNII-478ERR5NKR CAS 930-22-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 930-22-3 |
| Molecular Formula | C4H6O |
| Molecular Weight | 70.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
CATO supplies 930-22-3
478ERR5NKR
3,4-Epoxy-1-butene
1-Butene, 3,4-epoxy-
1,2-Epoxy-3-butene
3,4-Epoxybut-1-ene
Oxirane, ethenyl-
Oxirane, 2-ethenyl-
AI3-16049
Butadiene epoxide
Butadiene monoepoxide
Butadiene monooxide
Butadiene monoxide
Butadiene oxide
1,3-Butadiene oxide
CCRIS 2614
EINECS 213-210-4
Epoxybutene
1,2-Epoxybutene
1,2-Epoxybutene-3
3,4-Epoxybutene
Ethenyloxirane
HSDB 5520
Monoepoxybutadiene
Monoepoxybutene
NSC 24251
NSC 8023
1,2-Oxido-3-butene
Vinylethylene oxide
Vinyloxirane
UNII-478ERR5NKR (CAS 930-22-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H6O. Molecular weight: 70.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H6O |
| Molecular Weight | 70.09 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) | 2.0 |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 927-80-0
Ether, ethyl ethynyl
Ethyl ethynyl ether
Ethyne, ethoxy- (9CI)
4-01-00-02211 (Beilstein Handbook Reference)
BRN 0741882
EINECS 213-164-5
Ethoxyacetylene
Ethoxyethyne
Ethyne, ethoxy- (CAS 927-80-0)
- 3-Aminopropionitrile (stab. with 0.1% potassium carbonate) (CAS 151-18-8)
- 3-Butyn-1-ol (CAS 927-74-2)
- 1-(2,6-Dichlorobenzoyl)-N3,N3,N5,N5-tetramethyl-1H-1,2,4-triazole-3,5-diamine (CAS 478032-03-0)
- Benzyl 6-azaspiro[2.5]octane-1-carboxylate (CAS 2005817-40-1)
- Ethyl 5-acetylisoxazole-3-carboxylate (CAS 104776-70-7)
- 2-benzylsulfanyl-N-(3-methylbut-3-enyl)-7H-purin-6-amine (CAS 52172-11-9)
- (3-Carbamoyl-5-fluorophenyl)boronic acid (CAS 871332-66-0)
- Ethyl 4-(4-aminophenyl)-3-methyl-4-oxobutanoate (CAS 133209-06-0)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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