331416-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331416-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,4,1 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 331416-52:
(8*3)+(7*3)+(6*1)+(5*4)+(4*1)+(3*6)+(2*5)+(1*2)=105
105 % 10 = 5
So 331416-52-5 is a valid CAS Registry Number.