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tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate structure

CAS No.: 916420-27-4

Chemical Name:: tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate

Synonyms: tert-butyl 2,4-dichloro-5,8-dihydropyrido[3,4-d]pyrimidine-7(6H)-carboxylate;tert-butyl 2,4-dichloro-5H,6H,7H,8H-pyrido[3,4-d]pyrimidine-7-carboxylate;7-Boc-2,4-dichloro-5,6,7,...;TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO;tert-butyl2,4-dichloro-5,6-d]pyrimidine-7(8H)-carboxylate;2,4-Dichloro-7-Boc-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine;7-Boc-2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine;tert-butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidi...;ert-Butyl2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate;ter-butyl 2,4-dichloro-5,6-dihydropyido[3,4-d]pyrimidine-7(8H)-carboxylate

CBNumber:: CB2823351

Molecular Formula:: C12H15Cl2N3O2

Molecular Weight:: 304.17

MDL Number:: MFCD09025732

MOL File:: 916420-27-4.mol

MSDS File:: SDS

Last updated:2026-05-28 00:50:01

Product description	Number	Pack Size	Price
TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 95%	SC1061	1G	$14
TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 95%	SC1061	5G	$59
TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 95%	SC1061	25G	$299
tert-Butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylate 97%	OR480873	250mg	$21
tert-Butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylate 97%	OR480873	1g	$24
More product size

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tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate Properties

Boiling point	423.1±45.0 °C(Predicted)
Density	1.352±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2-8°C
pka	-1.95±0.20(Predicted)
Appearance	White to light yellow Solid
InChI	InChI=1S/C12H15Cl2N3O2/c1-12(2,3)19-11(18)17-5-4-7-8(6-17)15-10(14)16-9(7)13/h4-6H2,1-3H3
InChIKey	SAEOMPAQDWZLHC-UHFFFAOYSA-N
SMILES	C1(Cl)=NC(Cl)=C2CCN(C(OC(C)(C)C)=O)CC2=N1

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302+H312+H332-H315-H319-H335
Precautionary statements	P280-P301+P312-P305+P351+P338
HS Code	2933998090

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate price More Price(57)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
AstaTech	SC1061	TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 95%	916420-27-4	1G	$14	2026-04-30	Buy
AstaTech	SC1061	TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 95%	916420-27-4	5G	$59	2026-04-30	Buy
AstaTech	SC1061	TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 95%	916420-27-4	25G	$299	2026-04-30	Buy
Apolloscientific	OR480873	tert-Butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylate 97%	916420-27-4	250mg	$21	2026-06-04	Buy
Apolloscientific	OR480873	tert-Butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylate 97%	916420-27-4	1g	$24	2026-06-04	Buy

Product number	Packaging	Price	Buy
SC1061	1G	$14	Buy
SC1061	5G	$59	Buy
SC1061	25G	$299	Buy
OR480873	250mg	$21	Buy
OR480873	1g	$24	Buy

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate Chemical Properties,Uses,Production

Uses

tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate (tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate) can be used as an intermediate for laboratory R&D.

Synthesis

tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate can be prepared by Intermediate 4 in DCM stirred with (Boc)2O and TEA at room temperature for 16 hours.
Synthesis_916420-27-4

References

[1] Patent: WO2014/15291, 2014, A1. Location in patent: Page/Page column 174; 175

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate synthesis

Synthesis of tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate from Di-tert-butyl dicarbonate and 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine HCl salt

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate Preparation Products And Raw materials

Raw materials

Di-tert-butyl dicarbonate 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine HCl salt Dichloromethane Triethylamine

Preparation Products

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate Suppliers

Global( 266)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Eaglech（shanghai）Pharmaceutical Co., Ltd	+86-2160290089 +86-13884467586	eagpharm@gmail.com	China	116	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	+86-13017695106 +86-13676922317	jiuyitime@fdachem.com	China	16512	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13901	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Accela ChemBio Inc.	+1-858-6993322	info@accelachem.com	United States	21193	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29792	58
Jinan Liheng Biotechnology Co., Ltd.	15865262812	info@lihengpharm.com	CHINA	938	58

Supplier	Advantage
Eaglech（shanghai）Pharmaceutical Co., Ltd	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Jinan Carbotang Biotech Co.,Ltd.	58
Accela ChemBio Inc.	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Jinan Liheng Biotechnology Co., Ltd.	58

View Lastest Price from tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-05-05	tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate 916420-27-4	$100.00-800.00	5g	99%	30	Zibo Hangyu Biotechnology Development Co., Ltd
2026-04-17	tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate 916420-27-4	$2.00-6.00	1kg	99%	100kg	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2025-06-25	TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 916420-27-4	$1.10	1g	99.0% min	100 tons min	Shaanxi Dideu Medichem Co. Ltd

tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate
916420-27-4
$100.00-800.00
99%
Zibo Hangyu Biotechnology Development Co., Ltd

tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate
916420-27-4
$2.00-6.00
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE
916420-27-4
$1.10
99.0% min
Shaanxi Dideu Medichem Co. Ltd

tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate Spectrum

TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE(916420-27-4)¹HNMR

916420-27-4(tert-Butyl 2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate)Related Search:

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tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate 7-Boc-2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine tert-butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylate TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE 7-Boc-2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine tert-Butyl 2,4-dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-7-carboxylate 2,4-Dichloro-7-Boc-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine 7-Boc-2,4-dichloro-5,6,7,... 2,4-Dichloro-5,8-dihydro-6H-pyrido[3,4-d]pyriMidine-7-carboxylic acid tert-butyl ester TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylic acid tert-butyl ester ert-Butyl2,4-dichloro-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate TERT-BUTYL 2,4-DICHLORO-5,6-DIHYDROPYRIDO[3,4-D]PYRIMIDINE-7(8H)-CARBOXYLATE ISO 9001：2015 REACH tert-butyl 2,4-dichloro-6,8-dihydro-5H-pyrido[3,4-d]pyrimidi... tert-butyl2,4-dichloro-5,6-d]pyrimidine-7(8H)-carboxylate 1,1-Dimethylethyl 2,4-dichloro-5,8-dihydropyrido[3,4-d]pyrimidine-7(6H)-carboxylate ter-butyl 2,4-dichloro-5,6-dihydropyido[3,4-d]pyrimidine-7(8H)-carboxylate tert-butyl 2,4-dichloro-5,8-dihydropyrido[3,4-d]pyrimidine-7(6H)-carboxylate tert-butyl 2,4-dichloro-5H,6H,7H,8H-pyrido[3,4-d]pyrimidine-7-carboxylate 916420-27-4 Heterocycle-Pyrimidine series CHIRAL CHEMICALS 916420-27-4

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