2,3-Bis(methylthio)naphthalene-1,4-dione CAS 55699-85-9
| CAS No. | 55699-85-9 |
| Molecular Formula | C12H10O2S2 |
| Molecular Weight | 250.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,3-Bis(methylthio)naphthalene-1,4-dione (C12H10O2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 250.34 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2,3-Bis(methylthio)naphthalene-1,4-dione (CAS 55699-85-9), a certified reference material (molecular formula C12H10O2S2, MW 250.34 g/mol) for analytical method development and quality control.
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.
CATO manufactures 2,3-Bis(methylthio)naphthalene-1,4-dione 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 | C12H10O2S2 |
| Molecular Weight | 250.34 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 3-Thiopheneacetic acid, 4-bromo-α,α-difluoro-, ethyl ester (CAS 1537724-16-5)
- 3-(4-Chlorophenyl)-2-methylisoquinolin-1(2H)-one (CAS 142338-11-2)
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- 1,4-Diamino-7-chloro-2-(4-chlorophenoxy)anthracene-9,10-dione (CAS 88605-29-2)
- 1-methyl-3-(pyrrolidin-3-yl)-1H-indole (CAS 697218-81-8)
- Rel-(3aR,4R,7S,7aS)-4-methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione (CAS 6766-45-6)
- Diisopropyl 3,3-dimethoxycyclobutane-1,1-dicarboxylate (CAS 115118-68-8)
- Dimethyl 4-aminoheptanedioate (CAS 873843-61-9)
- N-Azidoacetylmannosamine (CAS 361154-23-6)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
Why CATO?
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