100138-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100138-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,3 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100138-70:
(8*1)+(7*0)+(6*0)+(5*1)+(4*3)+(3*8)+(2*7)+(1*0)=63
63 % 10 = 3
So 100138-70-3 is a valid CAS Registry Number.