4-Amino-5-chloropyridazin-3(2H)-one

Name: 4-Amino-5-chloropyridazin-3(2H)-one
Brand: ChemScene
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CAS No. 55271-58-4
Cat. No. CS-0163541
Purity≥98%
MDL No.MFCD19208118

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HazMat Fee

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The shipment is processed through FedEx Ground under the Limited Quantity option.

Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

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.

4-Amino-5-chloropyridazin-3(2H)-one|CS-0163541

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General Information

CAS No. 55271-58-4
Cat. No. CS-0163541
Purity ≥98%
MDL No. MFCD19208118
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₄ClN₃O
Molecular Weight 145.55
Synonym(s) 4-Amino-5-chloro-3(2H)-pyridazinone
SMILES O=C1C(N)=C(Cl)C=NN1

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302
Precautionary Statements : P264-P270-P330-P501

Quality Control

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Computational Chemistry Data

TPSA 71.77
LogP 0.0055
H_Acceptors 3
H_Donors 2
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Pyridazine compounds

Key Words

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4-Amino-5-chloropyridazin-3(2H)-one

CAS No. 55271-58-4

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