Disperse black 9 CAS 12222-69-4
| CAS No. | 12222-69-4 |
| Molecular Formula | C16H20N4O2 |
| Molecular Weight | 300.36 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.
Disperse black 9 (CAS 12222-69-4), molecular formula C16H20N4O2 and molecular weight 300.36 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Disperse black 9 (C16H20N4O2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H20N4O2 |
| Molecular Weight | 300.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 4 |
Related Disperse Standards
Recommended Standards
- 1-(4-((1-(p-Tolyl)-1H-tetrazol-5-yl)methyl)piperazin-1-yl)ethan-1-one (CAS 1049366-02-0)
- N-Cyclohexyl-N-methyl-4-(1-oxido-3-pyridinyl)-1H-imidazole-1-carboxamide (CAS 1233855-46-3)
- Diofenolan (CAS 63837-33-2)
- 2'-(Furan-2-yl)-6'-methyl-5',6'-dihydro-4'h-spiro[cycloheptane-1,7'-pyrazolo[1,5-d][1,2,4]triazin]-4'-one (CAS 1253527-92-2)
- (4-(Ethylthio)phenyl)(4-fluorophenyl)methanol (CAS 844856-34-4)
- 2,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 108129-01-7)
- 1,4,5,8-Tetraamino-2-(butylthio)-7-phenoxyanthracene-9,10-dione (CAS 88605-79-2)
- 2-Methoxythiophene-3-sulfonyl chloride (CAS 425426-96-6)
- 4-(Ethoxymethoxy)benzaldehyde (CAS 128837-26-3)
- 6-Chloro-5-fluoroindolin-2-one (CAS 100487-74-9)
- Butalbital Impurity 8 (CAS CATO-C4X-19838)
- 2,6-Dichloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1073371-78-4)
- (4-(Morpholine-4-carbonyl)piperazin-1-yl)(thiophen-2-yl)methanone (CAS 892282-98-3)
- Semaglutide (CAS CATO-C4X-2226105)
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