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4-(E,2-Carboxamido-2-cyanoethenyl)-5-ethoxy-3-methyl-1-phenylpyrazol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74413-99-3

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74413-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74413-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,1 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74413-99:
(7*7)+(6*4)+(5*4)+(4*1)+(3*3)+(2*9)+(1*9)=133
133 % 10 = 3
So 74413-99-3 is a valid CAS Registry Number.
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