334972-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334972-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,9,7 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 334972-53:
(8*3)+(7*3)+(6*4)+(5*9)+(4*7)+(3*2)+(2*5)+(1*3)=161
161 % 10 = 1
So 334972-53-1 is a valid CAS Registry Number.