2',5'-Dimercapto-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid CAS 1675217-38-5
| CAS No. | 1675217-38-5 |
| Molecular Formula | C20H14O4S2 |
| Molecular Weight | 382.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 382.45 g/mol gives 2',5'-Dimercapto-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2',5'-Dimercapto-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1675217-38-5), molecular formula C20H14O4S2 and molecular weight 382.45 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, 2',5'-Dimercapto-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 382.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 2',5'-Dimercapto-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic 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 | C20H14O4S2 |
| Molecular Weight | 382.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Sulfur Atoms | 2 |
Related Dimercapto Standards
- 3,3'-Dimercapto-[1,1'-biphenyl]-4,4'-dicarboxylic acid (CAS 343228-20-6)
- 2-((4,6-Dimercapto-1,3,5-triazin-2-yl)(phenyl)amino)acetic acid (CAS 175161-86-1)
- 6,8-Dimercapto-7H-purin-2-ol (CAS 91113-94-9)
- 2,6-Dimercapto-3-methyl-4H-thiopyran-4-one (CAS 1738-11-0)
- 2,3-Dimercapto-1-propanol (CAS 59-52-9)
- 2,5-Dimercapto-4-phenyl-1,3,4-thiadiazole potassium salt (CAS 6336-51-2)
- Sodium 2,3-dimercapto-1-propanesulfonate (CAS 4076-02-2)
Recommended Standards
- (9H-Fluoren-9-yl)methyl tert-butyl ethane-1,2-diyldicarbamate (CAS 166410-28-2)
- (S)-Methyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-6-aminohexanoate (CAS 170943-16-5)
- Spiro[benzo[c]fluorene-7,9'-xanthene] (CAS 1639407-50-3)
- 3-Hydroxy-2-phenyl-N-(1-phenylpropyl)quinoline-4-carboxamide (CAS 174636-26-1)
- 2-Methyl-3-butenal DISCONTINUED, UNSTABLE (CAS 14690-12-1)
- 2-(Difluoromethyl)-4-iodonitrobenzene (CAS 1261676-70-3)
- Methyl 2-(3-bromo-4-chlorophenyl)-2-hydroxyacetate (CAS 1548534-80-0)
- 2-(Azepan-1-yl)-2-(4-chlorophenyl)ethan-1-amine oxalate (CAS 1184977-37-4)
- 3-Carboxy-4-chloro-2-fluorophenylboronic acid (CAS 1451393-04-6)
- 3-Amino-1-ethyl-6-hydroxy-4-methylpyridin-2(1H)-one (CAS 94492-81-6)
- 4-(2-Methoxyphenyl)-2-methylbutan-1-ol (CAS 1341729-01-8)
- (4Z)-4-{[(5-chloro-2-hydroxyphenyl)amino]methylidene}-1-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 320425-04-5)
- 2-((5-Benzyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 332907-36-5)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
Why CATO?
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