6-Chloropyrimidine-2,4-diamine

Modify Date: 2026-06-30 15:06:37

6-Chloropyrimidine-2,4-diamine Structure
6-Chloropyrimidine-2,4-diamine structure
Common Name 6-Chloropyrimidine-2,4-diamine
CAS Number 156-83-2 Molecular Weight 144.562
Density 1.6±0.1 g/cm3 Boiling Point 438.3±48.0 °C at 760 mmHg
Molecular Formula C4H5ClN4 Melting Point 199-202 °C(lit.)
MSDS Chinese USA Flash Point 218.9±29.6 °C
Symbol GHS07
GHS07
Signal Word Warning

Summary: 4-Chloro-2,6-diaminopyrimidine, also known as 2,4-diamino-6-chloropyrimidine, has a CAS number of 156-83-2 and a molecular formula of C4H5ClN4 with a molecular weight of 144.562. It is a white crystalline solid with a熔点 of 199-202°C. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-Chloro-2,6-diaminopyrimidine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.6±0.1 g/cm3
Boiling Point 438.3±48.0 °C at 760 mmHg
Melting Point 199-202 °C(lit.)
Molecular Formula C4H5ClN4
Molecular Weight 144.562
Flash Point 218.9±29.6 °C
Exact Mass 144.020279
PSA 77.82000
LogP 0.45
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.702
InChIKey QJIUMVUZDYPQRT-UHFFFAOYSA-N
SMILES Nc1cc(Cl)nc(N)n1
Storage condition -20°C Freezer
Water Solubility slightly soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 29335995

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~46%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

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Literature: ISTITUTO FARMACOLOGICO SERONO SpA Patent: EP295218 A1, 1988 ;

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6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

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Literature: Journal of Heterocyclic Chemistry, , vol. 19, p. 917 - 921

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

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Literature: Journal of the American Chemical Society, , vol. 72, p. 1914,1917

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

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Literature: Chemische Berichte, , vol. 36, p. 2234 Chemische Berichte, , vol. 34, p. 3363

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

Learn More
Literature: Chemische Berichte, , vol. 36, p. 2234 Chemische Berichte, , vol. 34, p. 3363

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

Learn More
Literature: Chemische Berichte, , vol. 36, p. 2234 Chemische Berichte, , vol. 34, p. 3363

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

Learn More
Literature: Chemische Berichte, , vol. 36, p. 2227 Chemische Berichte, , vol. 34, p. 3363

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

Learn More
Literature: Chemische Berichte, , vol. 36, p. 2234 Chemische Berichte, , vol. 34, p. 3363

~%

6-Chloropyrimidine-2,4-diamine Structure

6-Chloropyrimid...

CAS#:156-83-2

Learn More
Literature: Chemische Berichte, , vol. 36, p. 2234 Chemische Berichte, , vol. 34, p. 3363

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933599090
Summary 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 6-Chloropyrimidine-2,4-diamineBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Experimentally measured binding affinity data (Ki) for protein-ligand complexes deriv...
Source: Shanghai Institute of Organic Chemistry
Target: N/A
External Id: PDBbind-Ki for protein-ligand complexes
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: Inhibition of human N-terminal His6-tagged PDE10A2 catalytic domain expressed in Esch...
Source: ChEMBL
Target: cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A
External Id: CHEMBL4425335
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

6-Chloro-2,4-pyrimidinediamine
6-chloro-2,4-diamino-pyrimidine
6-chloro-4-pyrimidinediamine
EINECS 205-863-9
4-chloro-2,6-diamino-pyrimidine
6-Chloro-2,4-diaminopyrimidine
2,6-Diamino-4-chloropyrimidine
4-Chloro-2-6-Diaminopyrimide
4-Chloro-2,6-diamino
2,4-Diamino-6-chloropyrimidine
4-DiaMino-6-chloropyriMidine
6-chloropyrimidine-2,4-diamine
2,4-Diamino-6-Chloro Pyridine
MFCD00006097
2,6-diamino-4-chloro-pyrimidine
4-Chloro-2,6-pyrimidinediamine
6-Chloro-pyrimidine-2,4-diamine
2-amino-4-chloro-6-methyl pyrimidine

 6-Chloropyrimidine-2,4-diamine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 4-Chloro-2,6-diaminopyrimidine?
A: Related downstream products(CAS) of 4-Chloro-2,6-diaminopyrimidine: 3270-97-1;35139-67-4;101724-61-2;116436-03-4;3308-24-5;34960-71-9;17419-08-8;156-81-0;24867-26-3;113674-67-2.
Q: What is the boiling point of 4-Chloro-2,6-diaminopyrimidine?
A: Boiling point of 4-Chloro-2,6-diaminopyrimidine is 438.3±48.0 °C at 760 mmHg.
Q: What is the LogP of 4-Chloro-2,6-diaminopyrimidine?
A: LogP of 4-Chloro-2,6-diaminopyrimidine is 0.45.
Q: What is the SMILES notation of 4-Chloro-2,6-diaminopyrimidine?
A: SMILES notation of 4-Chloro-2,6-diaminopyrimidine is Nc1cc(Cl)nc(N)n1.
Q: What are the upstream materials of 4-Chloro-2,6-diaminopyrimidine?
A: Related upstream materials(CAS) of 4-Chloro-2,6-diaminopyrimidine: 14989-30-1;56-06-4;83170-03-0;100643-27-4;10132-07-7;56-05-3;3764-01-0;7664-41-7.
Q: What is the molecular weight of 4-Chloro-2,6-diaminopyrimidine?
A: Molecular weight of 4-Chloro-2,6-diaminopyrimidine is 144.562.
Q: What is the melting point of 4-Chloro-2,6-diaminopyrimidine?
A: Melting point of 4-Chloro-2,6-diaminopyrimidine is 199-202 °C(lit.).
Q: What are the storage conditions for 4-Chloro-2,6-diaminopyrimidine?
A: Storage conditions for 4-Chloro-2,6-diaminopyrimidine: -20°C Freezer.
Q: How is the water solubility of 4-Chloro-2,6-diaminopyrimidine?
A: Water solubility of 4-Chloro-2,6-diaminopyrimidine: slightly soluble.
Q: What is the safety information for 4-Chloro-2,6-diaminopyrimidine?
A: Safety information for 4-Chloro-2,6-diaminopyrimidine: S26-S24/25.

 6-Chloropyrimidine-2,4-diaminefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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