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C18H18N4O4 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72933-93-8

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72933-93-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72933-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,3 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72933-93:
(7*7)+(6*2)+(5*9)+(4*3)+(3*3)+(2*9)+(1*3)=148
148 % 10 = 8
So 72933-93-8 is a valid CAS Registry Number.

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