3813-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3813-70-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,1 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3813-70:
(6*3)+(5*8)+(4*1)+(3*3)+(2*7)+(1*0)=85
85 % 10 = 5
So 3813-70-5 is a valid CAS Registry Number.