Dibenzo[b,d]thiophene-4-carboxylic acid CAS 2786-08-5
| CAS No. | 2786-08-5 |
| Molecular Formula | C13H8O2S |
| Molecular Weight | 228.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H8O2S, Dibenzo[b,d]thiophene-4-carboxylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Dibenzo[b,d]thiophene-4-carboxylic acid (CAS 2786-08-5), molecular formula C13H8O2S and molecular weight 228.27 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Dibenzo[b,d]thiophene-4-carboxylic acid 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 | C13H8O2S |
| Molecular Weight | 228.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 9H-Thioxanthen-9-one 10-oxide (CAS 7605-15-4)
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- Diphenylpropylphosphine (CAS 7650-84-2)
- 2-(Benzylamino)-2-(4-fluorotetrahydro-2H-pyran-4-yl)acetic acid (CAS 1620450-73-8)
- Methyl3-bromo-5-methylisonicotinate (CAS 1804406-70-9)
- 1-(3-(1H-1,2,3-Triazol-1-yl)pyrrolidin-1-yl)-2-(benzo[d][1,3]dioxol-5-yl)ethan-1-one (CAS 1795444-24-4)
- N-[(1R,2R)-2-[(11bR)-3,5-Dihydro-4H-dinaphth[2,1-c:1',2'-e]azepin-4-yl]-1,2-diphenylethyl]-4-methylbenzenesulfonamide (CAS 1034835-91-0)
- tert-Butyl 1,6-diazaspiro[4.5]decane-6-carboxylate (CAS 1259489-94-5)
- 4-Bromo-3-iodo-1-(phenylsulfonyl)-1H-indole (CAS 1707602-47-8)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(trifluoromethyl)-1H-pyrazole (CAS 1046831-98-4)
- 2,6-Dimethyl-2,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one (CAS 69792-74-1)
- 5α-Pregnan-11β,17α,21-triol-3,20-dione-1,2,4,5-d4 (CAS 252976-11-7)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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