4,4'-Methylenebis(2,6-diisopropylaniline) CAS 19900-69-7
| CAS No. | 19900-69-7 |
| Molecular Formula | C25H38N2 |
| Molecular Weight | 366.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-Methylenebis(2,6-diisopropylaniline) (CAS 19900-69-7) is a high-purity analytical reference standard with the molecular formula C25H38N2 and a molecular weight of 366.58 g/mol.
Structurally, 4,4'-Methylenebis(2,6-diisopropylaniline) (C25H38N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 366.58 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4,4'-Methylenebis(2,6-diisopropylaniline) 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 | C25H38N2 |
| Molecular Weight | 366.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Methylenebis Standards
- 4,4'-Methylenebis(benzenesulfonyl Chloride) (CAS 3119-64-0)
- 2,2'-Methylenebis(4-ethyl-6-tert-butylphenol) (CAS 88-24-4)
- 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) (CAS 105442-35-1)
- 4,4'-Methylenebis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one) (CAS 7149-40-8)
- 2,2-Methylenebis(4-bromophenol) (CAS 78563-03-8)
- 1,1'-(Methylenebis(2,4-dihydroxy-6-methoxy-3,1-phenylene))bis(ethan-1-one) (CAS 142382-28-3)
- 4,4＇-Methylenebis(3-chloro-2,6-diethylaniline) (CAS 106246-33-7)
- 6,6'-Methylenebis(4-chloro-2-isopropyl-5-methylphenol) (CAS 15686-33-6)
Recommended Standards
- 16-Methanethiosulfonyl Hexadecanoic Acid (CAS 887406-81-7)
- 4-Chloro-6-iodo-2-phenylquinazoline (CAS 257624-25-2)
- (Tetrahydrofuran-2-yl)methyl oleate (CAS 5420-17-7)
- N,2-Dimethyl-3-propyl-N-(undec-10-en-1-yl)quinolin-4-amine (CAS 88484-73-5)
- Dehydrodiisoeugenol (CAS 2680-81-1)
- 2-(2-((3,5-Dimethoxybenzyl)thio)thiazol-4-yl)-N-propylacetamide (CAS 942001-71-0)
- 1,3-Cyclohexanedicarbonyl Dichloride (CAS 27768-32-7)
- 4-(2-Ethylbutanoyl)-N-[(pyridin-2-yl)methyl]-1H-pyrrole-2-carboxamide (CAS 439120-74-8)
- Butyl (7-(5,6-dihydropyridin-1(2H)-yl)-2-oxo-2H-[1,2,4]oxadiazolo[2,3-c]pyrimidin-5-yl)carbamate (CAS 83395-28-2)
- Iodoacetamide (CAS 144-48-9)
- 2-((1-Ethyl-1H-indol-3-yl)thio)acetic acid (CAS 883539-49-9)
- Methyl 6-methoxy-1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate (CAS 40153-87-5)
- 2-(4-(Methylthio)benzylidene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 311783-63-8)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
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 18665070610 / Nicole.chen@cato-chem.com