F3LB1437XQ 7774-74-5 2-Thiophenethiol Thiophene-2-thiol EINECS 231-881-1 FEMA No. 3062 2-Mercaptothiophene alpha-Thienyl mercaptan 2-Thienyl mercaptan 2-Thienylthiol UNII-F3LB1437XQ CAS 7774-74-5
| CAS No. | 7774-74-5 |
| Molecular Formula | C4H8S2 |
| Molecular Weight | 120.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to sulfur-containing functionality, F3LB1437XQ 7774-74-5 2-Thiophenethiol Thiophene-2-thiol EINECS 231-881-1 FEMA No. 3062 2-Mercaptothiophene alpha-Thienyl mercaptan 2-Thienyl mercaptan 2-Thienylthiol UNII-F3LB1437XQ is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 120.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
F3LB1437XQ 7774-74-5 2-Thiophenethiol Thiophene-2-thiol EINECS 231-881-1 FEMA No. 3062 2-Mercaptothiophene alpha-Thienyl mercaptan 2-Thienyl mercaptan 2-Thienylthiol UNII-F3LB1437XQ (CAS 7774-74-5) is a high-purity analytical reference standard with the molecular formula C4H8S2 and a molecular weight of 120.24 g/mol.
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 | C4H8S2 |
| Molecular Weight | 120.24 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) | 1.0 |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 2 |
Recommended Standards
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- 1,3-Dithiane (CAS 505-23-7)
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- 2-(4-Chloro-1-ethyl-1H-pyrazol-3-yl)acetonitrile (CAS 1310379-32-8)
- Hexarelin Acetate (CAS 208251-52-9)
- Diethyl 2-(cyclopent-2-en-1-yl)malonate (CAS 53608-93-8)
- 3-(Difluoromethyl)-4-(hydroxymethyl)-5-methylpicolinonitrile (CAS 1807120-60-0)
- 6-Bromo-4-chloro-7-(2-methoxyethoxy)quinoline (CAS 1581270-00-9)
- 2-Chloro-6-methylpyridine-3-carboxylic Acid (CAS 30529-70-5)
- Peptide 438 (CAS CATO-CPTD788438)
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