ChemicalBook >> CAS DataBase List >>2,4-Dichloro-5-pyrimidinecarbonyl chloride

2,4-Dichloro-5-pyrimidinecarbonyl chloride

CAS No.
2972-52-3
Chemical Name:
2,4-Dichloro-5-pyrimidinecarbonyl chloride
Synonyms
2,4-Dichloropyrimidine-5-carbonyl chloride;RSYY(Avanafil)-46;5-(Chlorocarbonyl)-2,4-dichlo;2,4-dichloro-5-pyrimidinyl chloride;2,4-Dichloro-5-pyrimidinecarbonylchloride;5-(Chlorocarbonyl)-2,4-dichloropyrimidine;2,3-Dichloro-5-pyrimidine carbonyl chloride;5-Pyrimidinecarbonyl chloride, 2,4-dichloro-;2,4-DichloropyriMidine-5-carbonyl chloride 97%;2,4-Dichloro-5-pyrimidinecarboxylic acid chloride
CBNumber:
CB7956663
Molecular Formula:
C5HCl3N2O
Molecular Weight:
211.43
MDL Number:
MFCD09742432
MOL File:
2972-52-3.mol
Last updated:2026-01-13 11:25:44
Product description Number Pack Size Price
2,4-Dichloropyrimidine-5-carbonyl chloride 97% 728772 500mg $74.36
2,3-Dichloro-5-pyrimidine carbonyl chloride 270845 1g $433
2,4-DICHLOROPYRIMIDINE-5-CARBONYL CHLORIDE 95.00% NUC0000159 250MG $444
2,4-Dichloropyrimidine-5-carbonyl chloride 97% 032528 5g $405
2,3-Dichloro-5-pyrimidine carbonyl chloride FD08253 5G $420
More product size

2,4-Dichloro-5-pyrimidinecarbonyl chloride Properties

Boiling point 83 °C(Press: 0.05 Torr)
Density 1.645 g/mL at 25 °C
refractive index n20/D1.586
Flash point 93℃
storage temp. Inert atmosphere,Store in freezer, under -20°C
pka -5.08±0.29(Predicted)
form liquid
color Clear, colourless
InChI InChI=1S/C5HCl3N2O/c6-3-2(4(7)11)1-9-5(8)10-3/h1H
InChIKey DZTIFMWYYHCREC-UHFFFAOYSA-N
SMILES C(Cl)(C1=CN=C(Cl)N=C1Cl)=O
CAS DataBase Reference 2972-52-3(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H302+H312+H332-H314
Precautionary statements  P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C,Xi
Risk Statements  20/21/22-34
Safety Statements  6-7/9-24/25-26-36/37/39-51
RIDADR  3265
WGK Germany  3
HazardClass  IRRITANT, CORROSIVE
PackingGroup 
HS Code  2933599590
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1B

2,4-Dichloro-5-pyrimidinecarbonyl chloride price More Price(29)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 728772 2,4-Dichloropyrimidine-5-carbonyl chloride 97% 2972-52-3 500mg $74.36 2025-07-31 Buy
Usbiological 270845 2,3-Dichloro-5-pyrimidine carbonyl chloride 2972-52-3 1g $433 2021-12-16 Buy
American Custom Chemicals Corporation NUC0000159 2,4-DICHLOROPYRIMIDINE-5-CARBONYL CHLORIDE 95.00% 2972-52-3 250MG $444 2021-12-16 Buy
Matrix Scientific 032528 2,4-Dichloropyrimidine-5-carbonyl chloride 97% 2972-52-3 5g $405 2021-12-16 Buy
Biosynth Carbosynth FD08253 2,3-Dichloro-5-pyrimidine carbonyl chloride 2972-52-3 5G $420 2021-12-16 Buy
Product number Packaging Price Buy
728772 500mg $74.36 Buy
270845 1g $433 Buy
NUC0000159 250MG $444 Buy
032528 5g $405 Buy
FD08253 5G $420 Buy

2,4-Dichloro-5-pyrimidinecarbonyl chloride Chemical Properties,Uses,Production

Synthesis

2,4-Dihydroxypyrimidine-5-carboxylic acid

23945-44-0

2,4-Dichloro-5-pyrimidinecarbonyl chloride

2972-52-3

The general procedure for the synthesis of 2,4-dichloro-5-pyrimidinecarbonyl chloride from uracil-5-carboxylic acid is as follows: 9.1 Preparation of 2,4-dihydroxypyrimidine-5-carbonyl chloride In a 250 mL round bottom flask, 10.0 g (64.0 mmol) of 2,4-dihydroxypyrimidine-5-carboxylic acid was dissolved in 46 mL (500.0 mmol) of phosphorus oxychloride (POCl3) under nitrogen protection. The reaction mixture was cooled to 0°C via an ice bath, followed by the batch addition of 47.7 g (230 mmol) phosphorus pentachloride (PCl5). The reaction solution was heated and stirred at reflux for 16 hours. After completion of the reaction, the solvent was removed by distillation under reduced pressure. The residue was dissolved in 100 mL of toluene and ground, followed by filtration. After this operation was repeated three times, the filtrate was evaporated under reduced pressure to give 13.5 g (64.0 mmol) of the yellow oily product 2,4-dichloro-5-pyrimidinecarbonyl chloride, which was used directly in the next step of the reaction. Yield = 100%.

References

[1] Patent: US2011/251194, 2011, A1. Location in patent: Page/Page column 21
[2] Patent: US2010/222319, 2010, A1. Location in patent: Page/Page column 18
[3] Patent: WO2015/21149, 2015, A1. Location in patent: Page/Page column 56; 57
[4] Journal of Medicinal Chemistry, 2015, vol. 58, # 6, p. 2746 - 2763
[5] Patent: WO2015/48662, 2015, A2. Location in patent: Page/Page column 55

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View Lastest Price from 2,4-Dichloro-5-pyrimidinecarbonyl chloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
	2,4-Dichloro-5-pyrimidinecarbonyl chloride pictures 2019-12-31 2,4-Dichloro-5-pyrimidinecarbonyl chloride
2972-52-3
US $1.00 / KG 1KG 95-99% 1ton Career Henan Chemical Co

2,4-Dichloro-5-pyrimidinecarbonyl chloride Spectrum

2,4-Dichloropyrimidine-5-carbonyl chloride 2,4-Dichloro-5-pyrimidinecarbonylchloride 5-(Chlorocarbonyl)-2,4-dichloropyrimidine, 5-(Chloroformyl)-2,4-dichloropyrimidine 2,4-DichloropyriMidine-5-carbonyl chloride 97% 5-(Chlorocarbonyl)-2,4-dichloropyrimidine 2,3-Dichloro-5-pyrimidine carbonyl chloride 5-(Chlorocarbonyl)-2,4-dichlo 5-Pyrimidinecarbonyl chloride, 2,4-dichloro- RSYY(Avanafil)-46 2,4-dichloro-5-pyrimidinyl chloride 2,4-Dichloro-5-pyrimidinecarboxylic acid chloride 2972-52-3 Pyrimidine Building Blocks Pyrimidines pharmacetical Pyrimidine series Heterocycle-Pyrimidine series