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6-amino-4-(2-methylphenyl)-3-(4-methylphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

667404-53-7

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667404-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 667404-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,4,0 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 667404-53:
(8*6)+(7*6)+(6*7)+(5*4)+(4*0)+(3*4)+(2*5)+(1*3)=177
177 % 10 = 7
So 667404-53-7 is a valid CAS Registry Number.

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