2,7-Thianthrenedicarboxylic Acid(contain ~5% 2,8-isomer) CAS 154341-96-5
| CAS No. | 154341-96-5 |
| Molecular Formula | C14H8O4S2 |
| Molecular Weight | 304.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,7-Thianthrenedicarboxylic Acid(contain ~5% 2,8-isomer) 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.
CATO supplies 2,7-Thianthrenedicarboxylic Acid(contain ~5% 2,8-isomer) (CAS 154341-96-5), a certified reference material (molecular formula C14H8O4S2, MW 304.34 g/mol) for analytical method development and quality control.
Structurally, 2,7-Thianthrenedicarboxylic Acid(contain ~5% 2,8-isomer) (C14H8O4S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 304.34 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C14H8O4S2 |
| Molecular Weight | 304.34 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Sulfur Atoms | 2 |
Related Thianthrenedicarboxylic Standards
Recommended Standards
- 4-Hydroxyphenethyl 4-formyl-3-(2-oxoethyl)hex-4-enoate (CAS 151194-92-2)
- 2-[3-(1H-Indol-1-yl)propyl]-1H-isoindole-1,3(2H)-dione (CAS 150206-00-1)
- Ethyl 2-(6-(4-fluorophenyl)imidazo[2,1-b]thiazol-3-yl)acetate (CAS 158196-85-1)
- 2-Phenoxy-1-(3,4,5-trimethoxyphenyl)ethanol (CAS 1500106-19-3)
- 1-(4-Fluorobenzyl)-6-(thiophen-2-yl)-1H-imidazo[4,5-b]pyrazine (CAS 827602-56-2)
- [1,2,5]Thiadiazolo[3,4-b]pyridine (CAS 26147-88-6)
- 3-(3-Methyl-1,2,4-oxadiazol-5-yl)cyclobutan-1-one (CAS 1080636-56-1)
- 1-(4-Iodobenzoyl)azepane (CAS 682786-62-5)
- Methyl 6-oxo-5,6,7,8-tetrahydronaphthalene-2-carboxylate (CAS 178100-87-3)
- (S)-1-(tert-butoxycarbonyl)-2-(4-nitrobenzyl)pyrrolidine-2-carboxylic acid (CAS 959581-73-8)
- 2'-Deoxy-2',2'-difluorocytidine 5'-triphosphate triethylammonium salt - (CAS 110988-86-8)
- Methyl 4-(4-oxopiperidin-1-yl)butanoate (CAS 1096321-89-9)
- 2-(4,5-Dibromo-1H-indol-3-yl)acetic acid (CAS 1227502-38-6)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com