3-Methyl-1,2,4-thiadiazole-5-carbohydrazide

Name: 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide
Brand: ChemScene
Availability: InStock
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CAS No. 1375066-73-1
Cat. No. CS-0042198
Molecule weight158.18
Purity≥98%
MDL No.MFCD29037841

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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+

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3-Methyl-1,2,4-thiadiazole-5-carbohydrazide|CS-0042198

Structure of 1375066-73-1

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General Information

CAS No. 1375066-73-1
Cat. No. CS-0042198
Purity ≥98%
MDL No. MFCD29037841
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₆N₄OS
Molecular Weight 158.18
Synonym(s) 1,2,4-Thiadiazole-5-carboxylic acid, 3-methyl-, hydrazide
SMILES O=C(C1=NC(C)=NS1)NN

Description

3-Methyl-1,2,4-thiadiazole-5-carbohydrazide delivers a reactive hydrazide handle paired with a heterocyclic thiadiazole scaffold, enabling efficient conjugation in bioconjugation and coordination chemistry. The methyl substituent enhances solubility and modulates electronic properties, while the bench-stable structure supports reliable performance under standard conditions.

Application

3-Methyl-1,2,4-thiadiazole-5-carbohydrazide serves as a versatile heterocyclic building block for the synthesis of pharmaceutical intermediates and agrochemicals. Its carbohydrazide functionality enables efficient condensation reactions with aldehydes, ketones, and isothiocyanates, facilitating access to diverse thiosemicarbazone derivatives. The molecule exhibits good bench stability and ease of purification, making it suitable for scalable synthesis and high-throughput screening applications.

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H312-H315-H319-H332-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P362-P405-P501

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Computational Chemistry Data

TPSA 80.9
LogP -0.54998
H_Acceptors 5
H_Donors 2
Rotatable_Bonds 1

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Thiadiazole compounds

Key Words

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3-Methyl-1,2,4-thiadiazole-5-carbohydrazide

CAS No. 1375066-73-1

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