4-Chloro-5-nitropyrimidine CAS 150943-50-3
| CAS No. | 150943-50-3 |
| Molecular Formula | C4H2ClN3O2 |
| Molecular Weight | 159.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Chloro-5-nitropyrimidine.
CATO supplies 4-Chloro-5-nitropyrimidine (CAS 150943-50-3), a certified reference material (molecular formula C4H2ClN3O2, MW 159.53 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H2ClN3O2, 4-Chloro-5-nitropyrimidine contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 159.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 4-Chloro-5-nitropyrimidine 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 | C4H2ClN3O2 |
| Molecular Weight | 159.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 2-chloro-5-nitropyrimidine (CAS 10320-42-0)
- 5-Chloro-2-nitropyrimidine (CAS 120583-91-7)
- 4-Chloro-1,3,5-triazine-2-carboxylic Acid (CAS 1550823-05-6)
- 2-Chloro-6-nitropyrazine (CAS 195073-19-9)
- 2-Chloro-3-nitropyrazine (CAS 87885-43-6)
- 4-Chloro-5-fluoropicolinaldehyde (CAS 1060802-32-5)
- 4-Chloro-5-fluoro-pyridine-3-carbaldehyde (CAS 1060802-34-7)
- 6-Chloro-4-fluoropyridine-3-carbaldehyde (CAS 1060809-20-2)
Recommended Standards
- Relugolix Impurity 32 (CAS 1334511-36-2)
- 3,3,3-trichloro-2-methylprop-1-ene (CAS 4749-27-3)
- Terbinafine Impurity 9 (CAS 60845-51-4)
- 2,3,4-Trichlorobutene (CAS 2431-50-7)
- 2-((5-Benzyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(3-chloro-2-methylphenyl)acetamide (CAS 332912-88-6)
- Tert-butyl 6-methyl-2,3,4,5-tetrahydro-1h-1,4-benzodiazepine-4-carboxylate (CAS 1375474-56-8)
- 8-Bromo-2-((1-methylpiperidin-4-yl)amino)-4-((4-phenoxyphenyl)amino)pyrido[4,3-d]pyrimidin-5(6H)-one hydrochloride (CAS 1457983-33-3)
- 7-Chloro-3,4-dihydro-2,6-naphthyridin-1(2H)-one (CAS 1393555-53-7)
- 6-Chloro-1,3,3-trimethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 368835-15-8)
- 1-Ethyl-1H-benzo[d]imidazol-5-ol (CAS 90868-12-5)
- 2-hydroxyhept-3-enoic acid (CAS 562083-56-1)
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- 3,10-Dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-β]pyridine (CAS 272107-22-9)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788692)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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