1-(3-Hydroxymethylphenyl)-3-methylurea CAS 220536-54-9
| CAS No. | 220536-54-9 |
| Molecular Formula | C9H12N2O2 |
| Molecular Weight | 180.20 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-(3-Hydroxymethylphenyl)-3-methylurea (CAS 220536-54-9), molecular formula C9H12N2O2 and molecular weight 180.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(3-Hydroxymethylphenyl)-3-methylurea (C9H12N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 180.20 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.
As a certified reference material (CRM), 1-(3-Hydroxymethylphenyl)-3-methylurea 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 | C9H12N2O2 |
| Molecular Weight | 180.20 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Nitrogen Atoms | 2 |
Related Hydroxymethylphenyl Standards
- 4-(4-Hydroxymethylphenyl)phenol (CAS 162957-24-6)
- 4-(3-Hydroxymethylphenyl)phenol (CAS 191724-10-4)
- 2-(2-Hydroxymethylphenyl)phenol (CAS 3594-97-6)
- 2-(2-Hydroxymethylphenyl)benzoic acid (CAS 18773-63-2)
- 4-(3-Hydroxymethylphenyl)benzoic acid (CAS 773872-85-8)
- 4-(4-Hydroxymethylphenyl)benzoic acid (CAS 49743-87-5)
- 3-(4-Hydroxymethylphenyl)picolinic acid (CAS 1261896-71-2)
- 3-(3-Hydroxymethylphenyl)isonicotinic acid (CAS 1261991-78-9)
Recommended Standards
- 1-(2-METHOXYPHENOXY)-2-PROPANONE (CAS 6437-46-3)
- 1-(3-Methoxyphenoxy)propan-2-one (CAS 6437-63-4)
- 1-(2-Hydroxyethyl)-4,5,6,7-tetrahydro-1h-indazol-4-one (CAS 883997-72-6)
- 1-(3-Methoxyphenyl)-3-methylurea (CAS 23138-98-9)
- 6,7,8,9-Tetrahydro-5H-pyrido[3,4-b]indol-6-amine (CAS 2416051-94-8)
- 5-(4-Methoxyphenyl)-3,4-dihydro-2H-pyrrole (CAS 22217-80-7)
- 3-Cyano-4-fluorobenzoic acid (CAS 171050-06-9)
- 2-Ethylpyrimidine-4,6-diamine (CAS 408352-57-8)
- 2-Bromo-4-nitrobenzo[d]thiazole (CAS 3507-43-5)
- 5-(3-Methoxypropoxy)-3-methylpentane-1-sulfonyl chloride (CAS 1478734-21-2)
- 5-Fluorocytosine (CAS 2022-85-7)
- 3-Hydroxy-2,2-dimethylpropanal (CAS 597-31-9)
- (1H-Imidazol-1-yl)(pyrazolo[1,5-a]pyrimidin-3-yl)methanone (CAS 1710661-71-4)
- [Glu]17-Semaglutide (CAS CATO-CPTD788604)
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