3,5,6-trimethyl-1-benzothiophene-2-carboxylic acid CAS 1094456-73-1
| CAS No. | 1094456-73-1 |
| Molecular Formula | C12H12O2S |
| Molecular Weight | 220.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,5,6-trimethyl-1-benzothiophene-2-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.
3,5,6-trimethyl-1-benzothiophene-2-carboxylic acid (CAS 1094456-73-1), molecular formula C12H12O2S and molecular weight 220.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,5,6-trimethyl-1-benzothiophene-2-carboxylic acid (C12H12O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 220.29 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H12O2S |
| Molecular Weight | 220.29 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Sulfur Atoms | 1 |
Related trimethyl Standards
- 1,2,6-Trimethyl-phenanthrene (CAS 30436-55-6)
- 1,2,8-Trimethyl-phenanthrene (CAS 20291-75-2)
- 2,4,6-Trimethyl-3-morpholinoaniline (CAS 847414-28-2)
- 3-Acetyl-2,6,6-trimethyl-4,5,6,7-tetrahydro-1-benzofuran-4-one (CAS 937604-46-1)
- Ethyl 2,4,6-trimethyl-α-oxobenzeneacetate (CAS 5524-57-2)
- 2,2,5-Trimethyl-4-phenyl-3-azahexane-3-nitroxide (CAS 61015-94-9)
- 1,3,5-Trimethyl-1H,1H-[3,4]bipyrazolyl-5-carboxylic acid (CAS 890624-34-7)
- 1,3,3-Trimethyl-5-nitroindolin-2-one (CAS 120791-55-1)
Recommended Standards
- N-(1,3-benzothiazol-2-ylmethyl)propanamide (CAS 1088189-44-9)
- 2-Piperazin-1-yl[1,3]thiazolo[5,4-b]pyridine (CAS 1095539-04-0)
- 4-(4-Methoxyphenyl)-5-methyl-1,3-thiazol-2-amine (CAS 105512-88-7)
- 5-methyl-6-phenyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one (CAS 109942-16-7)
- 3-Fluoro-piperidin-1-ylamine (CAS 935260-60-9)
- N,N'-((4-(Hexyloxy)-3-methoxyphenyl)methylene)diacetamide (CAS 618862-39-8)
- (2R,3R,4S,5S,6R)-2-((6-chloro-1H-indol-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 467214-46-6)
- 4-Azetidinomethyl-3-fluorobenzophenone (CAS 898756-52-0)
- Lithium Bis(fluorosulfonyl)imide (CAS 171611-11-3)
- CAS 2172819-73-5 (CAS 2172819-73-5)
- 3,3-Dimethyl-pentanedioic acid dimethyl ester (CAS 19184-67-9)
- 2-(4,5,6,7-Tetrahydro-2h-pyrazolo[4,3-c]pyridin-2-yl)ethan-1-ol (CAS 884535-19-7)
- N-(Cyclopropylmethyl)aniline (CAS 36178-60-6)
- Angiotensin III Antipeptide (CAS 133605-55-7)
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