107996-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107996-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,9,9 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 107996-90:
(8*1)+(7*0)+(6*7)+(5*9)+(4*9)+(3*6)+(2*9)+(1*0)=167
167 % 10 = 7
So 107996-90-7 is a valid CAS Registry Number.