100938-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100938-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,3 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100938-09:
(8*1)+(7*0)+(6*0)+(5*9)+(4*3)+(3*8)+(2*0)+(1*9)=98
98 % 10 = 8
So 100938-09-8 is a valid CAS Registry Number.