138970-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138970-01-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,7 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138970-01:
(8*1)+(7*3)+(6*8)+(5*9)+(4*7)+(3*0)+(2*0)+(1*1)=151
151 % 10 = 1
So 138970-01-1 is a valid CAS Registry Number.