6-Methyl-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine CAS 129421-33-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 129421-33-6 |
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
6-Methyl-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 129421-33-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9NO2. Molecular weight: 151.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 3,4-Dihydro-2h-benzo[b][1,4]oxazin-7-ol (CAS 104535-37-7)
- 2,3-Dihydro-1H-pyrrolizine-7-carboxylic acid (CAS 116515-48-1)
- 3,4-Dihydro-2H-[1,4]dioxepino[2,3-b]pyridine (CAS 1244949-25-4)
- 3,4-Dihydro-2H-pyrano[2,3-b]pyridin-6-ol (CAS 1383788-36-0)
- 3,4-Dihydro-2H-pyrano[3,2-b]pyridin-8-ol (CAS 1414864-09-7)
- (R)-3,4-Dihydro-2H-pyrano[3,2-c]pyridin-4-ol (CAS 1443111-65-6)
- (S)-3,4-Dihydro-2H-pyrano[3,2-c]pyridin-4-ol (CAS 1443112-11-5)
- 7,8-Dihydro-1H-pyrano[4,3-b]pyridin-2(5H)-one (CAS 1706458-64-1)
Recommended Standards
- 4-(Hydroxymethyl)-6-methylnicotinaldehyde (CAS 1289141-09-8)
- 2,5-Dimethylnicotinic acid (CAS 129477-22-1)
- Coclauril (CAS 127350-68-9)
- 2-(4-Aminophenoxy)benzoic acid (CAS 67724-03-2)
- (S)-2-Cyclopropyl-1-(3-fluoro-4-methylphenyl)ethanamine (CAS 321840-50-0)
- (2E)-2-{4-[5-(2,4-dichlorophenyl)furan-2-yl]-1,3-thiazol-2-yl}-3-[3-(trifluoromethyl)phenyl]prop-2-enenitrile (CAS 338978-48-6)
- 1-Ethyl-5-fluoropyridin-2(1H)-one (CAS 1420794-15-5)
- 97-22-3
MJ1JBD08F0
Bis-5,5'-(2,4,2',4'-tetraminotolyl)methane
1,3-Benzenediamine, 4,4'-methylenebis(6-methyl- (9CI)
Toluene-2,4-diamine, 5,5'-methylenebis-
0-13-00-00342 (Beilstein Handbook Reference)
1,3-Benzenediamine, 4,4'-methylenebis(6-methyl-
Bis(2,4-diamino-5-methylphenyl)methane
Bis(3-methyl-4,6-diaminophenyl) methane
Bis(3-methyl-4,6-diaminophenyl)methane
Bis(2,4-TDA)methane
Bis(2,4,2',4'-tetraamino-5,5'-tolyl)methane
Bis(2,4-tolylenediamine)methane
BRN 3366624
Methylenebis(toluenediamine)
5,5'-Methylenebis(2,4-toluenediamine)
NSC 37147
4,4',6,6'-Tetraamino-3,3'-dimethyldiphenylmethane
Tetraaminoditolylmethane
Toluene-2,4-diamine, 5,5'-methylenedi-
UNII-MJ1JBD08F0 (CAS 97-22-3)
- 4-Bromo-3-ethoxyaniline hydrochloride (CAS 846023-33-4)
- Tetrapeptide-3 (CAS 827306-97-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com