3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid CAS 126070-22-2
| CAS No. | 126070-22-2 |
| Molecular Formula | C16H22O2 |
| Molecular Weight | 246.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid (CAS 126070-22-2), molecular formula C16H22O2 and molecular weight 246.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid (C16H22O2) contains 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 246.34 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.
CATO manufactures 3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H22O2 |
| Molecular Weight | 246.34 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Pentamethyl Standards
- 1-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-ol (CAS 156692-01-2)
- 3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalene-2-boronic Acid (CAS 169126-64-1)
- 1,1,3,3,6-Pentamethyl-7-nitro-2,3-dihydro-1H-inden-5-amine (CAS 255393-53-4)
- (3,5,5,8,8-Pentamethyl-5,8-dihydronaphthalen-2-yl)boronic acid (CAS 364626-82-4)
- 2',2',3,6',6'-Pentamethyl-[1,4'-bipiperidin]-4-one (CAS 400073-77-0)
- 1,2,2,6,6-Pentamethyl-4-piperidyl methacrylate(stabilizedwithMEHQ) (CAS 68548-08-3)
- 4,4,6,8,9-Pentamethyl-4H-pyrrolo[3,2,1-ij]-quinoline-1,2-dione (CAS 488734-86-7)
- 1,4,5,8,9-Pentamethyl-9H-carbazole (CAS 27477-88-9)
Recommended Standards
- 2-Methyl-4-(4-(pentyloxy)phenyl)but-3-yn-2-ol (CAS 125151-55-5)
- 3,3-Diphenylacrylaldehyde (CAS 13702-35-7)
- 1-(3-Phenylpropyl)cyclohexane-1-carboxylic acid (CAS 1226244-28-5)
- 1,7,7-Trimethyl-2-phenylbicyclo[2.2.1]heptane-2,3-diol (CAS 1621395-47-8)
- 3-Acetamidobenzylamine (CAS 96783-68-5)
- 2-Fluoro-5-methoxypyridine-4-carboxaldehyde (CAS 1227595-94-9)
- 2-(2-Hydroxyethoxy)benzaldehyde (CAS 22042-72-4)
- methyl[2-(1,3-thiazol-2-yl)propyl]amine (CAS 92932-25-7)
- Phenylpropanolamine Bitartrate (F) (CAS 67244-90-0)
- N-Cyclobutyl-3,4,5,6-tetrahydro-[2,3'-bipyridin]-2'-amine (CAS 1352499-09-2)
- Resmetirom Impurity 38 (CAS CATO-C4X-291238)
- (E)-hepta-4,6-dienoicacidethylester (CAS 71779-51-6)
- Methyl 4-(((1,3,5-trimethyl-1H-pyrazole)-4-sulfonamido)methyl)piperidine-1-carboxylate (CAS 1428378-76-0)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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