4-chlorofuro[2,3-d]pyrimidine CAS 918340-51-9
| CAS No. | 918340-51-9 |
| Molecular Formula | C6H11ClN2O |
| Molecular Weight | 162.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-chlorofuro[2,3-d]pyrimidine (CAS 918340-51-9) is a high-purity analytical reference standard with the molecular formula C6H11ClN2O and a molecular weight of 162.62 g/mol.
Structurally, 4-chlorofuro[2,3-d]pyrimidine (C6H11ClN2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 162.62 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.
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.
Physical & Chemical Properties
| Molecular Formula | C6H11ClN2O |
| Molecular Weight | 162.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chlorofuro Standards
- 5-chlorofuro[2,3-c]pyridine (CAS 1782264-34-9)
- 6-chlorofuro[2,3-b]pyridine (CAS 193624-87-2)
- 6-Chlorofuro[2,3-b]pyridin-3(2H)-one (CAS 1196146-87-8)
- 2-Chlorofuro[3,4-b]pyridin-7(5H)-one (CAS 1352886-74-8)
- 6-Chlorofuro[3,4-c]pyridin-3(1H)-one, >97% (CAS 1352893-24-3)
- 6-Chlorofuro[3,2-b]pyridin-3(2H)-one (CAS 1400683-14-8)
- 2-Chlorofuro[2,3-d]pyrimidin-4-amine (CAS 1784865-05-9)
- 6-Chlorofuro[3,4-c]pyridin-1(3H)-one (CAS 1823366-46-6)
Recommended Standards
- 3-chloro-4-ethyl-1H-pyridazin-6-one (CAS 61404-44-2)
- 5-chloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 89364-06-7)
- 3-chloro-1-ethyl-1,2-dihydropyrazin-2-one (CAS 58909-71-0)
- 5-chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 633328-98-0)
- 1-(4-Hydroxy-3-methoxy-2-nitrophenyl)ethan-1-one (CAS 1260785-45-2)
- 2-Amino-6-((1S,2R)-1,2-dihydroxypropyl)-7,8-dihydropteridin-4(3H)-one (CAS 1262750-77-5)
- 2-(Allyloxy)-3-methoxyphenol (CAS 71186-63-5)
- 1,3-Bis[2,6-bis(1-methylethyl)phenyl]-2-carboxy-1H-imidazolium Inner Salt (CAS 917604-39-8)
- 4-cyano-2-methylbenzene-1-sulfonamide (CAS 857003-69-1)
- Benzene-1,4-diamine hydrochloride (CAS 55972-71-9)
- Phenyl 4,6-O-Benzylidene-1-thio-beta-D-glucopyranoside (CAS 71676-30-7)
- H-Glu-Leu-OH (CAS 111320-19-5)
- 3-(2-Fluorophenyl)-4,5-dihydro-1H-pyrazole (CAS 361442-71-9)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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