2'-Methyl-[1,1':3',1''-terphenyl]-4,4'',5'-tricarboxylic acid CAS 2305899-77-6
| CAS No. | 2305899-77-6 |
| Molecular Formula | C22H16O6 |
| Molecular Weight | 376.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C22H16O6, 2'-Methyl-[1,1':3',1''-terphenyl]-4,4'',5'-tricarboxylic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 376.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2'-Methyl-[1,1':3',1''-terphenyl]-4,4'',5'-tricarboxylic acid (CAS 2305899-77-6), a certified reference material (molecular formula C22H16O6, MW 376.36 g/mol) for analytical method development and quality control.
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), 2'-Methyl-[1,1':3',1''-terphenyl]-4,4'',5'-tricarboxylic 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 | C22H16O6 |
| Molecular Weight | 376.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
Related Methyl Standards
- 2-([1,1':3',1''-Terphenyl]-5'-yl)-4,6-dichloro-1,3,5-triazine (CAS 1616232-09-7)
- 87226-88-8 1,1':3',1''-Terphenyl, 2,2''-dimethyl-5'-(2-methylphenyl)- DTXSID20434707 (CAS 87226-88-8)
- 1-(5'-Phenyl-[1,1':3',1''-terphenyl]-4'-yl)thiourea (CAS 860609-80-9)
- [1,1':4',1"-Terphenyl]-2',4,4"-tricarboxylic acid (CAS 127728-51-2)
- 1,1:4,1-Terphenyl]-3,4,5-tricarboxylic acid (CAS 1637760-07-6)
- 2-([1,1':4',1''-Terphenyl]-4-yl)-5-bromothiophene (CAS 639841-05-7)
- 2-([1,1':3',1''-Terphenyl]-5'-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1036378-83-2)
- 2-([1,1':4',1''-Terphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1080632-76-3)
Recommended Standards
- 2-((2-Methoxydibenzo[b,d]furan-3-yl)amino)-2-oxoethyl isonicotinate (CAS 853726-31-5)
- 3,3-Di-(phthalimidomethyl)oxetane (CAS 198572-34-8)
- (S)-1-Benzyl 5-(2,5-dioxopyrrolidin-1-yl) 2-acetamidopentanedioate (CAS 98318-09-3)
- 3-4-6-Tri-O-acetyl-1-2-O-ethoxyethylidene-β-D-mannopyranose (CAS 28140-37-6)
- 2,2,2-Trifluoroethyl n-[3-(2-oxopyrrolidin-1-yl)propyl]carbamate (CAS 878217-97-1)
- N1,N1,N1,N5,N5,N5-Hexamethylpentane-1,5-diaminium bromide (CAS 541-20-8)
- (3-Oxo-2,3-dihydro-1H-inden-5-yl)boronic acid (CAS 1135871-83-8)
- N-Methyl-N-[(3R)-pyrrolidin-3-yl]acetamide (CAS 550370-81-5)
- 2-(2-Methoxy-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2755733-10-7)
- Methyl 6-bromo-5-fluoropicolinate (CAS 1210419-26-3)
- (4-(Difluoromethyl)-5-fluoro-3-(trifluoromethyl)pyridin-2-yl)methanol (CAS 1806882-89-2)
- 2-(3-Bromophenyl)-4,4-dimethyl-1,2,3,4-tetrahydroquinoline-8-carboxylic acid (CAS 1384264-34-9)
- 4-((1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)amino)-4-oxobut-2-enoic acid (CAS 371129-07-6)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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