6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one

Modify Date: 2025-08-25 15:54:15

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure
6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one structure
 Common Name 6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one
CAS Number 171178-47-5 Molecular Weight 181.579
Density 1.7±0.1 g/cm3 Boiling Point 463.8±30.0 °C at 760 mmHg
Molecular Formula C7H4ClN3O Melting Point N/A
MSDS N/A Flash Point 234.3±24.6 °C

 Names

Name 6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 463.8±30.0 °C at 760 mmHg
Molecular Formula C7H4ClN3O
Molecular Weight 181.579
Flash Point 234.3±24.6 °C
Exact Mass 181.004288
PSA 58.64000
LogP -0.05
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.749
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

5-Amino-2-chloroisonicotinic acid structure

5-Amino-2-chlor...

CAS#:58483-95-7

~87%

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure

6-Chloropyrido[...

CAS#:171178-47-5

Literature: Warner-Lambert Company Patent: US5654307 A1, 1997 ; US 5654307 A
(Z)-Methanimidic acid structure

(Z)-Methanimidi...

CAS#:77287-34-4

5-Amino-2-chloroisonicotinic acid structure

5-Amino-2-chlor...

CAS#:58483-95-7

~84%

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure

6-Chloropyrido[...

CAS#:171178-47-5

Literature: Rewcastle, Gordon W.; Denny, William A.; Winters, R. Thomas; Colbry, Norman L.; Showalter, H. D. Hollis Journal of the Chemical Society - Perkin Transactions 1, 1996 , # 18 p. 2221 - 2226
TERT-BUTYL (6-CHLOROPYRIDIN-3-YL)CARBAMATE structure

TERT-BUTYL (6-C...

CAS#:171178-45-3

~%

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure

6-Chloropyrido[...

CAS#:171178-47-5

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 11, # 11 p. 1401 - 1405
6-Chloronicotinic acid structure

6-Chloronicotin...

CAS#:5326-23-8

~%

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure

6-Chloropyrido[...

CAS#:171178-47-5

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 11, # 11 p. 1401 - 1405
5-[(tert-butoxycarbonyl)amino]-2-chloroisonicotinic acid structure

5-[(tert-butoxy...

CAS#:171178-46-4

~%

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure

6-Chloropyrido[...

CAS#:171178-47-5

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 11, # 11 p. 1401 - 1405
5-Chloro-2-pyridinamine structure

5-Chloro-2-pyri...

CAS#:5350-93-6

~%

6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one Structure

6-Chloropyrido[...

CAS#:171178-47-5

Literature: Journal of the Chemical Society - Perkin Transactions 1, , # 18 p. 2221 - 2226

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

6-chloro-1H-pyrido[3,4-d]pyrimidin-4-one
6-Chloropyrido[3,4-d]pyrimidin-4(1H)-one
Pyrido[3,4-d]pyrimidin-4(3H)-one, 6-chloro-
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Chemsrc provides 6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one(CAS#:171178-47-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one are included as well.>> amp version: 6-Chloropyrido[3,4-d]pyrimidin-4(3H)-one

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