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6-methyl-4-oxo-1-phenyl-1,4-dihydro-pyridazine-3-carboxylic acid hydrazide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

100517-85-9

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100517-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100517-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,1 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 100517-85:
(8*1)+(7*0)+(6*0)+(5*5)+(4*1)+(3*7)+(2*8)+(1*5)=79
79 % 10 = 9
So 100517-85-9 is a valid CAS Registry Number.
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