106990-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106990-87-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,9 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 106990-87:
(8*1)+(7*0)+(6*6)+(5*9)+(4*9)+(3*0)+(2*8)+(1*7)=148
148 % 10 = 8
So 106990-87-8 is a valid CAS Registry Number.