1-isocyanato-2,3-dimethylbenzene 1591-99-7 2,3-Dimethylphenylisocyanate 2,3-dimethylphenyl isocyanate CHEBI:63899 CAS 1591-99-7
| CAS No. | 1591-99-7 |
| Molecular Formula | C9H9NO |
| Molecular Weight | 147.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-isocyanato-2,3-dimethylbenzene 1591-99-7 2,3-Dimethylphenylisocyanate 2,3-dimethylphenyl isocyanate CHEBI:63899.
1-isocyanato-2,3-dimethylbenzene 1591-99-7 2,3-Dimethylphenylisocyanate 2,3-dimethylphenyl isocyanate CHEBI:63899 (CAS 1591-99-7) is a high-purity analytical reference standard with the molecular formula C9H9NO and a molecular weight of 147.17 g/mol.
1-isocyanato-2,3-dimethylbenzene 1591-99-7 2,3-Dimethylphenylisocyanate 2,3-dimethylphenyl isocyanate CHEBI:63899 (C9H9NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 1-isocyanato-2,3-dimethylbenzene 1591-99-7 2,3-Dimethylphenylisocyanate 2,3-dimethylphenyl isocyanate CHEBI:63899 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 | C9H9NO |
| Molecular Weight | 147.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related isocyanato Standards
- 4-isocyanato-1,2-dimethyl-benzene 4-isocyanato-1,2-dimethylbenzene 51163-27-0 A828470 (CAS 51163-27-0)
- 1-isocyanato-2,4-dimethyl-benzene 1-isocyanato-2,4-dimethylbenzene 51163-29-2 A828471 (CAS 51163-29-2)
- 1-Isocyanato-2-methanesulfonylethane (CAS 631912-32-8)
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Recommended Standards
- 4-Ethoxy-2-ethynylpyridine (CAS 1565481-60-8)
- 7,8-Dihydroquinolin-7-ol (CAS 160239-97-4)
- 6,7-Dihydro-5H-cyclopenta[b]pyridine-3-carbaldehyde (CAS 1542944-19-3)
- 5,6-Dihydroquinolin-5-ol (CAS 160240-11-9)
- N,2-Dimethyl-3-pyridinecarboxamide (CAS 77594-56-0)
- (1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl)methyl carbamimidothioate methanesulfonate (CAS 1426291-16-8)
- 2-Acetamido-2-deoxy-4-O-(β-D-mannopyranosyl)-D-glucose (CAS 55637-63-3)
- tert-Butyl 9-cyano-2,3-dihydrobenzo[f][1,4]oxazepine-4(5H)-carboxylate (CAS 1167416-50-3)
- 2,3-Dihydro-1H-pyrrolo[2,3-b]pyridin-5-ol (CAS 100383-04-8)
- Methyl 6-(4-nitrophenoxy)pyridazine-3-carboxylate (CAS 1354961-27-5)
- 1,2-Propanediol-1-Acetate (CAS 627-69-0)
- Dimethyl 2-(3-formyl-4-hydroxyphenyl)succinate (CAS 488713-20-8)
- 12-Acetyl-6a,6b,10,11,11a,12-hexahydro-8,11-epoxyoxepino[4',5':3,4]pyrrolo[1,2-a]quinolin-7(8H)-one (CAS 281676-67-3)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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