1355509-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1355509-27-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,5,0 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1355509-27:
(9*1)+(8*3)+(7*5)+(6*5)+(5*5)+(4*0)+(3*9)+(2*2)+(1*7)=161
161 % 10 = 1
So 1355509-27-1 is a valid CAS Registry Number.