5-Methoxy-6-nitroindoline CAS 23772-38-5
| CAS No. | 23772-38-5 |
| Molecular Formula | C9H10N2O3 |
| Molecular Weight | 194.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 194.19 g/mol gives 5-Methoxy-6-nitroindoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Methoxy-6-nitroindoline (CAS 23772-38-5), molecular formula C9H10N2O3 and molecular weight 194.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Methoxy-6-nitroindoline (C9H10N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 194.19 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.
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), 5-Methoxy-6-nitroindoline 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 | C9H10N2O3 |
| Molecular Weight | 194.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
- 5-Methoxy-6-nitroisoindoline (CAS 1820585-09-8)
- (2-Methoxy-4-methylfuro[2,3-d]pyrimidin-6-yl)methanol (CAS 649558-74-7)
- 6-Methoxy-5-nitroindoline (CAS 23772-40-9)
- methoxy[1-(3-nitrophenyl)ethylidene]amine (CAS 72278-09-2)
- 3-(2-Methoxy-2-oxoethyl)benzoic acid (CAS 113496-14-3)
- 7-Methoxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 116757-66-5)
- 5-Methoxy-2,3-dihydrobenzofuran-6-carboxylic acid (CAS 1355232-52-8)
- 2-(2-Methoxy-2-oxoethyl)benzoic acid (CAS 14736-50-6)
Recommended Standards
- 5-Acetyl-1-(prop-2-en-1-yl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 339016-32-9)
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- 5-Acetamido-2-aminobenzoic acid (CAS 50670-83-2)
- 6-(Ethylcarbamoyl)picolinic acid (CAS 849669-84-7)
- 1-(5-Amino-1H-pyrazol-1-yl)-2-chloroethanone (CAS 155347-68-5)
- (Piperidin-3-yl)methyl acetate hydrochloride (CAS 1219979-17-5)
- 1-(2-Fluoroethyl)-4-iodo-1H-pyrazole-5-carboxylic acid (CAS 1429418-14-3)
- Flunitrazepam-D7 (CAS 1286448-08-5)
- 4,4-Dichloro-3-(dichloromethyl)crotonic acid methyl ester (CAS 97055-33-9)
- tert-Butyl 4-(3-aminopropanoyl)piperazine-1-carboxylate (CAS 681248-23-7)
- (1S)-5,7-difluoro-1,2,3,4-tetrahydronaphthalen-1-amine hydrochloride (CAS 1807940-93-7)
- 11-(2,5-Dimethoxyphenyl)-6-hydroxy-13-(trifluoromethyl)-8-thia-3,10-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5,10,12-pentaen-4-one (CAS 626227-93-8)
- 3-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1620575-11-2)
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