31701-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31701-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,7,0 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31701-34:
(7*3)+(6*1)+(5*7)+(4*0)+(3*1)+(2*3)+(1*4)=75
75 % 10 = 5
So 31701-34-5 is a valid CAS Registry Number.