1135688-54-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1135688-54-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,5,6,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1135688-54:
(9*1)+(8*1)+(7*3)+(6*5)+(5*6)+(4*8)+(3*8)+(2*5)+(1*4)=168
168 % 10 = 8
So 1135688-54-8 is a valid CAS Registry Number.