135845-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135845-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,8,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 135845-91:
(8*1)+(7*3)+(6*5)+(5*8)+(4*4)+(3*5)+(2*9)+(1*1)=149
149 % 10 = 9
So 135845-91-9 is a valid CAS Registry Number.