253665-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253665-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,6,6 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 253665-34:
(8*2)+(7*5)+(6*3)+(5*6)+(4*6)+(3*5)+(2*3)+(1*4)=148
148 % 10 = 8
So 253665-34-8 is a valid CAS Registry Number.