1-Oxoisoindoline-2-carbonyl chloride CAS 74572-58-0
| CAS No. | 74572-58-0 |
| Molecular Formula | C9H6ClNO2 |
| Molecular Weight | 195.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-Oxoisoindoline-2-carbonyl chloride (CAS 74572-58-0), molecular formula C9H6ClNO2 and molecular weight 195.60 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Oxoisoindoline-2-carbonyl chloride (C9H6ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 195.60 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-Oxoisoindoline-2-carbonyl chloride 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 | C9H6ClNO2 |
| Molecular Weight | 195.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Oxoisoindoline Standards
- methyl 3-oxoisoindoline-4-carboxylate (CAS 935269-25-3)
- Methyl 1-oxoisoindoline-4-carboxylate (CAS 1260664-40-1)
- 2-Methyl-3-oxoisoindoline-4-carboxylic acid (CAS 14262-20-5)
- 2-Methyl-3-oxoisoindoline-5-carboxylic acid (CAS 1554206-04-0)
- 2-Methyl-1-oxoisoindoline-5-carboxylic acid (CAS 1785513-65-6)
- Methyl 1-Oxoisoindoline-5-carboxylate (CAS 926307-72-4)
- Methyl 3-Oxoisoindoline-5-carboxylate (CAS 954239-52-2)
- Ethyl 3-oxoisoindoline-5-carboxylate (CAS 1261631-07-5)
Recommended Standards
- 1-{4-chlorofuro[3,2-c]pyridin-2-yl}ethan-1-one (CAS 86518-10-7)
- 2-(3-Chloro-4-cyanophenyl)acetic acid (CAS 34841-48-0)
- 1-(7-Chlorofuro[3,2-b]pyridin-5-yl)ethan-1-one (CAS 2769929-85-1)
- 2-(3-Chlorophenyl)oxazol-5(4H)-one (CAS 75152-20-4)
- (S)-2-((S)-1-((S)-2-Amino-3-methylbutanoyl)pyrrolidine-2-carboxamido)propanoic acid (CAS 85807-20-1)
- 3-(Pyridin-4-yl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62052-28-2)
- 1-Benzyl-N-(4-(methylthio)phenyl)piperidin-4-amine (CAS 864424-22-6)
- Methyl octahydro-1h-indole-2-carboxylate hydrochloride (CAS 195878-03-6)
- 1,5-Bis((4-(tert-butyl)phenyl)thio)anthracene-9,10-dione (CAS 84674-66-8)
- Tert-butyl 2-methyl-2,6-dihydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate (CAS 1369921-82-3)
- 3-Bromo-N-(4-methoxyphenyl)thiophene-2-carboxamide (CAS 88791-39-3)
- Ethyl 5-oxoheptanoate (CAS 70432-50-7)
- 2-N-ethylpyridine-2,3-diamine dihydrochloride (CAS 1197720-71-0)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
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