1355345-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1355345-53-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,3,4 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1355345-53:
(9*1)+(8*3)+(7*5)+(6*5)+(5*3)+(4*4)+(3*5)+(2*5)+(1*3)=157
157 % 10 = 7
So 1355345-53-7 is a valid CAS Registry Number.