108992-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108992-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,9 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 108992-55:
(8*1)+(7*0)+(6*8)+(5*9)+(4*9)+(3*2)+(2*5)+(1*5)=158
158 % 10 = 8
So 108992-55-8 is a valid CAS Registry Number.