1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-methyl-1H-indol-3-yl)urea CAS 899947-31-0
| CAS No. | 899947-31-0 |
| Molecular Formula | C18H17N3O3 |
| Molecular Weight | 323.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-methyl-1H-indol-3-yl)urea 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.
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-methyl-1H-indol-3-yl)urea (CAS 899947-31-0) is a high-purity analytical reference standard with the molecular formula C18H17N3O3 and a molecular weight of 323.35 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-methyl-1H-indol-3-yl)urea is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 323.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C18H17N3O3 |
| Molecular Weight | 323.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Dihydrobenzo Standards
- 5-(2-(2,3-Dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)acetyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 1311869-91-6)
- n-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-n-(1-phenylcyclopentyl)formamide (CAS 851209-58-0)
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Recommended Standards
- (R)-3-(1H-Indol-3-yl)-2-(3-phenylureido)propanoic acid (CAS 827612-57-7)
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- (E)-6-(2-Fluorostyryl)-3-(pyridin-3-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (CAS 853891-63-1)
- 1-Allyl-N-ethyl-2-imino-5-oxo-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 371235-40-4)
- 4-(Pentan-3-ylamino)benzamide (CAS 1019548-93-6)
- BTZ2F26 (CAS 2211181-64-3)
- (5S)-2-Methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-amine (CAS 1212484-48-4)
- 1a,2,3,7b-Tetrahydronaphtho-[1,2-b]oxirene-1a-carboxylic acid (CAS 864130-77-8)
- Methyl 2,6-bis(benzyloxy)benzoate (CAS 25983-51-1)
- 6-[(3-phenylprop-2-en-1-yl)oxy]pyridine-3-carbonitrile (CAS 1158124-18-5)
- (3aR,4S,4aR,7aS,8R,9aS)-4a,8-Dimethyl-3-methylene-2,5-dioxododecahydroazuleno[6,5-b]furan-4-yl acetate (CAS 54999-07-4)
- 1-Methyl-1,9-diazaspiro[5.5]undecane (CAS 1158750-04-9)
- 5-Ethyl-1H-pyrazole-3-carbonitrile (CAS 1540024-40-5)
- Smac-N7 Peptide (CAS 401913-57-3)
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