5-Ethynyl-2,3-dihydro-1H-indene CAS 132464-86-9
| CAS No. | 132464-86-9 |
| Molecular Formula | C11H10 |
| Molecular Weight | 142.20 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 5-Ethynyl-2,3-dihydro-1H-indene.
5-Ethynyl-2,3-dihydro-1H-indene (CAS 132464-86-9), molecular formula C11H10 and molecular weight 142.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Ethynyl-2,3-dihydro-1H-indene (C11H10) contains 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 142.20 g/mol, it falls into the low-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.
As a certified reference material (CRM), 5-Ethynyl-2,3-dihydro-1H-indene 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 | C11H10 |
| Molecular Weight | 142.20 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
Related Ethynyl Standards
- 4-Ethynyl-2,3-dihydro-1H-indene (CAS 1415560-20-1)
- 1-Ethynyl-2,3-dihydro-1H-indene (CAS 1415560-25-6)
- 2-Ethynyl-2,3-dihydro-1H-indene (CAS 170161-03-2)
- 6-Ethynyl-1H-indazole (CAS 1093847-80-3)
- 5-Ethynyl-1H-pyrrolo[2,3-b]pyridine (CAS 1207351-16-3)
- 6-Ethynyl-1H-pyrrolo[3,2-b]pyridine (CAS 1256790-91-6)
- 1-Ethynyl-1H-benzo[d]imidazole (CAS 486999-85-3)
- 2-Ethynyl-1H-benzo[d]imidazole (CAS 53243-15-5)
Recommended Standards
- (R)-2-Methylpiperidine-2-carboxamide (CAS 132259-55-3)
- [6-(hydroxymethyl)cyclohex-3-en-1-yl]methanol (CAS 13287-81-5)
- 3-Amino-1,4,4-trimethylpyrrolidin-2-one (CAS 1316216-30-4)
- 3-Methylcyclohexanecarboxylic Acid (CAS 13293-59-9)
- Tetrabutylammonium tetrakis(trifluoromethyl)cuprate(III) (CAS 152376-94-8)
- 2-((1-(2-Methoxyethyl)-5-phenyl-1H-imidazol-2-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 1207039-60-8)
- (R)-2-((tert-Butoxycarbonyl)amino)-4-(dimethylamino)-4-oxobutanoic acid (CAS 721928-03-6)
- 5-acetyl-2-{[5-chloro-2-nitro-4-(trifluoromethyl)phenyl]thio}-4-(4-methoxyphenyl)-6-methylnicotinonitrile (CAS 256414-71-8)
- 2-(4-Methoxy-2,5-dimethylphenyl)-4-methylpyrrolidine (CAS 603068-61-7)
- Methyl 2,6-dibromo-3-methoxybenzoate (CAS 2383066-83-7)
- (4-(Cyclohexylamino)-3-nitrophenyl)methanol (CAS 509094-02-4)
- 4-(2-Chloro-4-pyrimidinyl)benzaldehyde (CAS 281232-93-7)
- 2,2-Dimethylglutaric Anhydride (CAS 2938-48-9)
- Biotinyl-S6 Phosphate Acceptor Peptide trifluoroacetate salt (CAS 1815618-12-2)
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