Rac-(1r,2s)-2-(thiophene-2-carbonyl)cyclohexane-1-carboxylic acid, cis CAS 212757-10-3
| CAS No. | 212757-10-3 |
| Molecular Formula | C12H14O3S |
| Molecular Weight | 238.30 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 Rac-(1r,2s)-2-(thiophene-2-carbonyl)cyclohexane-1-carboxylic acid, cis.
CATO supplies Rac-(1r,2s)-2-(thiophene-2-carbonyl)cyclohexane-1-carboxylic acid, cis (CAS 212757-10-3), a certified reference material (molecular formula C12H14O3S, MW 238.30 g/mol) for analytical method development and quality control.
Structurally, Rac-(1r,2s)-2-(thiophene-2-carbonyl)cyclohexane-1-carboxylic acid, cis (C12H14O3S) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 238.30 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.
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 | C12H14O3S |
| Molecular Weight | 238.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2017 |
| Sulfur Atoms | 1 |
Recommended Standards
- Pent-4-yn-1-yl 4-methylbenzenesulfonate (CAS 77758-50-0)
- Rel-S-((2s,5s)-2-phenyl-1,3-dioxan-5-yl) ethanethioate (CAS 32295-56-0)
- N-(4-fluorobenzyl)-2-morpholinoethan-1-amine (CAS 626209-48-1)
- Tert-butyl n-(3-sulfamoylpropyl)carbamate (CAS 475060-41-4)
- Pyrazin-2-ylmethanamineoxalate (CAS 1170817-91-0)
- N-(3-(piperazin-1-yl)propyl)butyramide hydrochloride (CAS 1595203-75-0)
- 7-(Isopropylamino)-2,2,4-trimethyl-1,2,3,4-tetrahydroquinolin-6-ol (CAS 1256627-69-6)
- 2-Chloro-5-(trifluoromethyl)benzamide 20566-93-2 6957AD C8H5ClF3NO (CAS 20566-93-2)
- (S)-SYNPHOS (CAS 503538-68-9)
- 4-([(1E)-PHenylmethylene]amino)-4h-1,2,4-triazole-3-thiol (CAS 40159-48-6)
- 5-Ethyl-3-methyl-2-pentenedioic Acid Ester (CAS 130007-49-7)
- 5-(3-Chloro-5-fluorophenyl)-2-methoxypyridine (CAS 1393442-33-5)
- [Glu1] Triptorelin Acetate (CAS CATO-C4X-186213)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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