1,3,3,4,4-Pentafluoro-2-methoxycyclobut-1-ene CAS 359-98-8
| CAS No. | 359-98-8 |
| Molecular Formula | C5H3F5O |
| Molecular Weight | 174.07 g/mol |
| 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 1,3,3,4,4-Pentafluoro-2-methoxycyclobut-1-ene.
1,3,3,4,4-Pentafluoro-2-methoxycyclobut-1-ene (CAS 359-98-8), molecular formula C5H3F5O and molecular weight 174.07 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, 1,3,3,4,4-Pentafluoro-2-methoxycyclobut-1-ene is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 174.07 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 1,3,3,4,4-Pentafluoro-2-methoxycyclobut-1-ene 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 | C5H3F5O |
| Molecular Weight | 174.07 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 | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Pentafluoro Standards
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Recommended Standards
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- [(2-{[2-(4-Chlorophenyl)ethyl]amino}-2-oxoethyl)(phenyl)amino]acetic acid (CAS 1142205-17-1)
- 4-(bromomethyl)-2-phenyl-2H-1,2,3-triazole (CAS 41425-60-9)
- 5-Amino-2-(2-oxopyrrolidin-1-yl)benzoic acid (CAS 1342540-76-4)
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- 3-[(5-aminopyridin-2-yl)oxy]benzonitrile (CAS 1016705-78-4)
- [(2,2-Dimethoxy-ethylaminooxalyl)-amino]-acetic acid ethyl ester (CAS 312904-86-2)
- Peptide 441 (CAS CATO-CPTD788441)
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