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1H-Pyrazole-3-acetonitrile, 4-(3,4-dimethoxyphenyl)-5-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

136358-67-3

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136358-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136358-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,5 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 136358-67:
(8*1)+(7*3)+(6*6)+(5*3)+(4*5)+(3*8)+(2*6)+(1*7)=143
143 % 10 = 3
So 136358-67-3 is a valid CAS Registry Number.

136358-67-3Downstream Products

136358-67-3Relevant academic research and scientific papers

Ring Transformation Reactions, I. Conversion of 6-Aryl-4-(methylthio)-2-oxo-2H-pyran-3-carbonitriles to Pyrazoles

Ram, Vishnu Ji,Verma, Monika,Hussaini, Falak Anwer,Shoeb, Aboo

, p. 1229 - 1231 (2007/10/02)

A new ring transformation reaction has been studied by treating 6- or 5,6-disubstituted 4-(methylthio)-2-oxo-2H-pyran-3-carbonitriles 2 with hydrazine and methylhydrazine leading to polysubstituted pyrazoles 4,5,6. Key words: Pyran-2-ones / Pyrazoles / Ring transformation / Cyclocondensation

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