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C15H21N3O7 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

218435-64-4

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218435-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218435-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,4,3 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 218435-64:
(8*2)+(7*1)+(6*8)+(5*4)+(4*3)+(3*5)+(2*6)+(1*4)=134
134 % 10 = 4
So 218435-64-4 is a valid CAS Registry Number.

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