1355357-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1355357-26-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,3,5 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1355357-26:
(9*1)+(8*3)+(7*5)+(6*5)+(5*3)+(4*5)+(3*7)+(2*2)+(1*6)=164
164 % 10 = 4
So 1355357-26-4 is a valid CAS Registry Number.