2-(1-Methyl-3-(methylthio)-1H-indol-2-yl)acetic acid CAS 57666-07-6
| CAS No. | 57666-07-6 |
| Molecular Formula | C12H13NO2S |
| Molecular Weight | 235.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(1-Methyl-3-(methylthio)-1H-indol-2-yl)acetic 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.
CATO supplies 2-(1-Methyl-3-(methylthio)-1H-indol-2-yl)acetic acid (CAS 57666-07-6), a certified reference material (molecular formula C12H13NO2S, MW 235.30 g/mol) for analytical method development and quality control.
Structurally, 2-(1-Methyl-3-(methylthio)-1H-indol-2-yl)acetic acid (C12H13NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 235.30 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C12H13NO2S |
| Molecular Weight | 235.30 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.) | 1973 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Ethyl 2-(methylthio)indolizine-3-carboxylate (CAS 123471-45-4)
- 2-(3-(Methylthio)propyl)isoindoline-1,3-dione (CAS 52096-79-4)
- (1-(4-(Methylthio)benzyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1248921-78-9)
- (1-(4-(Methylthio)benzyl)piperidin-4-yl)methanol (CAS 1455249-03-2)
- 1-(3-(Methylthio)phenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1042604-65-8)
- 3-(2-(Methylthio)benzo[d]oxazol-6-yl)acrylic acid (CAS 1803425-27-5)
- 3-(2-(Methylthio)benzo[d]oxazol-7-yl)acrylic acid (CAS 1803426-72-3)
- 3-(2-(Methylthio)-5-nitrophenyl)-1H-pyrazole (CAS 845266-21-9)
Recommended Standards
- 2-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl-amino)-3-methylbutyric acid (CAS 247109-34-8)
- 2-(1,1-Dioxidothiomorpholino)-3-methylbutanoic acid (CAS 477858-29-0)
- 2-(4-Methoxyphenyl)-5,5-dimethyloxazole-4(5H)-thione (CAS 306955-38-4)
- 2-((1-Ethyl-1H-indol-3-yl)thio)acetic acid (CAS 883539-49-9)
- 4-(2-Hydroxyethyl)-2,2-dimethyltetrahydro-2H-pyran-4-ol (CAS 56229-51-7)
- Hexanedioic acid, polymer with 1,1'-methylenebis[4-isocyanatocyclohexane] and 1,2-propanediol (CAS 67939-68-8)
- tert-butyl 3-(2-methoxy-2-oxoethyl)azetidine-1-carboxylate (CAS 497160-14-2)
- 2-Hydroxyethyl hydrazinecarboxylate (CAS 4341-20-2)
- (5-Bromopyridin-3-yl)(4-(thiophen-2-yl)piperidin-1-yl)methanone (CAS 1797290-54-0)
- 1-{[4-Fluoro-2-(trifluoromethyl)phenyl]methyl}-2-methylpiperazine (CAS 1240572-82-0)
- 2-Bromo-5-(piperidin-1-yl)pyridine (CAS 1142197-44-1)
- 4,4'-(Butane-2,2-diyl)bis((heptyloxy)benzene) (CAS 1843235-41-5)
- 5-(1-Ethylpiperidin-2-yl)-N-phenylpyridin-2-amine (CAS 1352499-88-7)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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