2-(3,4-Dihydronaphthalen-1(2h)-ylidene)acetic acid CAS 25227-36-5
| CAS No. | 25227-36-5 |
| Molecular Formula | C12H12O2 |
| Molecular Weight | 188.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(3,4-Dihydronaphthalen-1(2h)-ylidene)acetic acid (CAS 25227-36-5) is a high-purity analytical reference standard with the molecular formula C12H12O2 and a molecular weight of 188.22 g/mol.
Structurally, 2-(3,4-Dihydronaphthalen-1(2h)-ylidene)acetic acid (C12H12O2) contains 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 188.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-(3,4-Dihydronaphthalen-1(2h)-ylidene)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.
Physical & Chemical Properties
| Molecular Formula | C12H12O2 |
| Molecular Weight | 188.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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.) | 1964 |
Related Dihydronaphthalen Standards
- 1-Acetyl-3,4-dihydronaphthalen-2(1H)-one (CAS 24118-62-5)
- 2-(3,4-Dihydronaphthalen-2-yl)acetic acid (CAS 54154-71-1)
- (4-Methyl-3,4-dihydronaphthalen-2-yl)boronic acid (CAS 521917-71-5)
- 2-(3,4-Dihydronaphthalen-1(2H)-ylidene)malononitrile (CAS 2510-03-4)
- 1-(3,4-Dihydronaphthalen-2-yl)-1H-imidazole (CAS 89781-63-5)
- 7-Methyl-3,4-dihydronaphthalen-1(2H)-one oxime (CAS 5462-81-7)
- Methyl 1,4-dihydronaphthalen-1,4-imine-9-carboxylate (CAS 28035-70-3)
- 2-Ethyl-3,4-dihydronaphthalen-1(2H)-one (CAS 21568-62-7)
Recommended Standards
- 2-(2-Methylpropyl)pentanedioic acid (CAS 32806-65-8)
- 2-(2-Methyl-1H-inden-3-yl)acetic acid (CAS 4709-50-6)
- 2-(4-Methoxy-2-methylphenyl)furan (CAS 825611-67-4)
- 2-(2-Aminopropanamido)pentanoic acid (CAS 2325-18-0)
- 3-((1H-Imidazol-1-yl)methyl)-3-(4-chlorophenyl)-5-(2,6-dichlorophenyl)-2-methylisoxazolidine (CAS 113614-54-3)
- 3-(6-(Aminomethyl)-2-oxobenzo[cd]indol-1(2H)-yl)piperidine-2,6-dione hydrochloride (CAS 2767589-20-6)
- 6-Chloro-N,N-dimethylpyridazin-4-amine (CAS 17258-37-6)
- 4-Methyl-N-tosylbenzenesulfonamide (CAS 3695-00-9)
- 3-Methoxy-isonicotinonitrile (CAS 26414-90-4)
- 1-(5-Bromo-6-methoxynaphthalen-2-yl)propan-1-one (CAS 92189-66-7)
- 5-Fluoro-2,4-dimethylaniline (CAS 400-02-2)
- Linderane (CAS 13476-25-0)
- (S)-1-(1h-Pyrazol-3-yl)ethan-1-ol (CAS 1344956-30-4)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
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