1,2-Pentadiene CAS 591-95-7
| CAS No. | 591-95-7 |
| Molecular Formula | C5H8 |
| Molecular Weight | 68.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2-Pentadiene (CAS 591-95-7), molecular formula C5H8 and molecular weight 68.12 g/mol, is a CATO reference standard with documented purity and traceability.
1,2-Pentadiene (C5H8) contains an organic framework. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C5H8 |
| Molecular Weight | 68.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
Related Pentadiene Standards
- 1,3-Pentadiene (CAS 504-60-9)
- 1,4-Pentadiene (CAS 591-93-5)
- 3-Methyl-1,4-pentadiene (CAS 1115-08-8)
- 2-Methyl-1,4-pentadiene (CAS 763-30-4)
- 4549-74-0 3-Methyl-1,3-pentadiene, (cis- and trans- mixture) MFCD00009277 (CAS 4549-74-0)
- 1,3-Pentadiene, polymer with 2-methyl-2-butene (CAS 26813-14-9)
- 1,3-Pentadiene, homopolymer (CAS 25212-15-1)
Recommended Standards
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- (5-Chloro-2-hydroxy-4-methylphenyl)(2-chlorophenyl)methanone (CAS 263554-77-4)
- 1-(Cyclobutylmethyl)-4,4-difluorocyclohexanamine hydrochloride (CAS 1380300-69-5)
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- 5-Amino-4-(benzo[d]thiazol-2-yl)-1-(4-chlorophenyl)-1,3-dihydro-2h-pyrrol-2-one (CAS 885458-21-9)
- 1-[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]methanamine (CAS 890324-74-0)
- 5-Bromo-6-methyl-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 634602-92-9)
- (5S)-5,6-Dihydro-2-(2,3,4,5,6-pentafluorophenyl)-5-(phenylmethyl)-8H-1,2,4-triazolo[3,4-c][1,4]oxazinium tetrafluoroborate (CAS 1327274-33-8)
- N-((2-chlorothiazol-5-yl)methyl)ethanamine (CAS 120740-07-0)
- Bax inhibitor peptide V5 (CAS 579492-81-2)
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