4-Methoxy-1,3-Phenylenediamine Sulfate Hydrate CAS 123333-56-2
| CAS No. | 123333-56-2 |
| Molecular Formula | C7H10N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Methoxy-1,3-Phenylenediamine Sulfate Hydrate 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.
4-Methoxy-1,3-Phenylenediamine Sulfate Hydrate (CAS 123333-56-2), molecular formula C7H10N2OH2O4SH2O and molecular weight 254.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Methoxy-1,3-Phenylenediamine Sulfate Hydrate (C7H10N2OH2O4SH2O) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 254.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C7H10N2O H2O4S H2O |
| Molecular Weight | 254.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 1-(2-Methoxy-6-(methylsulfonyl)phenyl)piperazine (CAS 1000018-42-7)
- 6-methoxy-1-methyl-1H-1,3-benzodiazol-7-amine (CAS 1000202-26-5)
- 2-Methoxy-3-(trifluoromethyl)benzaldehyde (CAS 1000339-54-7)
- 1-Methoxy-3-methyl-5-(trifluoromethoxy)benzene (CAS 1000339-56-9)
- 5-Methoxy-7-methyl-1H-indazole-3-carbaldehyde (CAS 1000340-55-5)
- 5-Methoxy-7-methyl-1H-indazole-3-carboxylic acid (CAS 1000340-57-7)
- 5-Methoxy-6-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-90-8)
- 6-Methoxy-4-nitro-1H-indazole (CAS 1000341-08-1)
Recommended Standards
- Ethyl 2-[2-(2-phenylacetyl)hydrazino]nicotinate (CAS 1353504-68-3)
- n-Methylcyclohexanesulfonamide (CAS 7010-85-7)
- 3-(4-NItro-phenyl)-propionic acid hydrazide (CAS 34547-21-2)
- Methyl 1-benzyl-1H-pyrrole-2-carboxylate (CAS 18159-23-4)
- 1-Methoxy-2-phenyl-1H-imidazo[4,5-b]pyridine (CAS 339009-98-2)
- 2-(Heptyloxy)benzaldehyde (CAS 66049-86-3)
- (3-Methylfuran-2-yl)boronic acid (CAS 1002128-98-4)
- 4-Methyl-N-((4-methylthiazol-5-yl)methyl)aniline (CAS 1478511-72-6)
- 3-(3,5-Dimethylphenyl)-4-methyl-1h-pyrazol-5-amine (CAS 1187767-11-8)
- Des-Lys20(Side Chain)-Semaglutide (CAS CATO-C4X-2226280)
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