4-Amino-5-chloropyrimidine

Name: 4-Amino-5-chloropyrimidine
Brand: ChemScene
Availability: InStock
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CAS No. 101257-82-3
Cat. No. CS-D1543
Purity≥98%
MDL No.MFCD00233964

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

Structure of 101257-82-3

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Description

4-Amino-5-chloropyrimidine serves as a key heterocyclic scaffold in medicinal chemistry, integrating an electron-rich amino group with a reactive chlorine atom. This combination enables direct functionalization in cross-coupling and nucleophilic substitution reactions, facilitating rapid access to diverse pyrimidine-based derivatives for drug discovery applications.

Application

4-Amino-5-chloropyrimidine serves as a versatile building block in medicinal chemistry, enabling efficient construction of pyrimidine-based scaffolds. The amino group facilitates nucleophilic substitution and coupling reactions, while the chloro substituent provides a reliable handle for transition-metal-catalyzed cross-couplings. This compound exhibits excellent bench stability and compatibility with common protecting group strategies, making it ideal for multi-step synthesis workflows in API development.

General Information

CAS No. 101257-82-3
Cat. No. CS-D1543
Purity ≥98%
MDL No. MFCD00233964
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₄ClN₃
Molecular Weight 129.55
Synonym(s) 5-Chloro-4-pyrimidinamine; 4-Amino-5-chloropyrimidine; 4-Pyrimidinamine, 5-chloro- (9CI)
SMILES NC1=NC=NC=C1Cl

Computational Chemistry Data

TPSA 51.8
LogP 0.7122
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 0

Safety Information

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GHS Pictogram : N/A	GHS No : N/A
Signal Word : N/A	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : N/A
Precautionary Statements : N/A

Quality Control

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Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Key Words

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4-Amino-5-chloropyrimidine

CAS No. 101257-82-3

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