Thiophene, 3,4-diphenyl- CAS 16939-13-2
| CAS No. | 16939-13-2 |
| Molecular Formula | C16H12S |
| Molecular Weight | 236.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Thiophene, 3,4-diphenyl- (CAS 16939-13-2), a certified reference material (molecular formula C16H12S, MW 236.33 g/mol) for analytical method development and quality control.
Structurally, Thiophene, 3,4-diphenyl- (C16H12S) contains sulfur-containing functionality, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 236.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Thiophene, 3,4-diphenyl- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H12S |
| Molecular Weight | 236.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Sulfur Atoms | 1 |
Related Thiophene Standards
- Methyl 5-(thiophene-2-carbonyl)furan-2-carboxylate (CAS 170632-17-4)
- 3-(thiophene-2-carbonyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid (CAS 1008645-20-2)
- 1-(Thiophene-2-carbonyl)-1,2,5,6-tetrahydropyridine-3-carboxylic acid (CAS 1373247-45-0)
- 2-(Thiophene-2-sulfonamido)propanoic acid (CAS 82068-11-9)
- 3-(Thiophene-2-sulfonamido)propanoic acid (CAS 82068-12-0)
- Thiophene-2-carboxylic anhydride (CAS 25569-97-5)
- 1-(Thiophene-2-carbonyl)piperidine-2-carboxylic acid (CAS 1032056-92-0)
- 1-(Thiophene-2-carbonyl)-piperidine-4-carboxylic acid (CAS 147636-34-8)
Recommended Standards
- 2,3-Diphenylthiophene (CAS 16939-12-1)
- 4-Methyl-4a,5,6,7,8,9-hexahydrothieno[3',2':4,5]pyrimido[1,2-a]azepin-11(4H)-one (CAS 1710202-95-1)
- tert-Butyl 3-((2,3-dihydroxypropyl)thio)propanoate (CAS 167768-00-5)
- 5-(1-Adamantyl)-1,3,4-oxadiazole-2-thiol (CAS 197514-90-2)
- N-(((2R,3R)-2-isopropyltetrahydrofuran-3-yl)methyl)thietan-3-amine (CAS 1867634-89-6)
- 2-(4-Fluorophenoxy)-1-methyl-1H-indole-3-carbaldehyde (CAS 338416-70-9)
- N-(3-(1H-Imidazol-1-yl)propyl)-N-(7-chloro-4-methoxybenzo[d]thiazol-2-yl)-2-phenylacetamide hydrochloride (CAS 1217053-90-1)
- cis-2-[2-(2-Chlorophenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid (CAS 736136-45-1)
- 2-(4-fluorophenyl)propanal (CAS 2721-15-5)
- Butyltrihexadecylsilane (CAS 18822-41-8)
- 1-BOC-3-trifluoromethyl-piperidin-4-one (CAS 1159983-77-3)
- 1,2,5-Tribromo-3-(trifluoromethyl)benzene (CAS 89642-34-2)
- 2,3,3-Trimethyl-7-nitro-3H-indole (CAS 91350-86-6)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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