112990-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 112990-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,9,9 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 112990-75:
(8*1)+(7*1)+(6*2)+(5*9)+(4*9)+(3*0)+(2*7)+(1*5)=127
127 % 10 = 7
So 112990-75-7 is a valid CAS Registry Number.