1353547-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1353547-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,5,4 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1353547-91:
(9*1)+(8*3)+(7*5)+(6*3)+(5*5)+(4*4)+(3*7)+(2*9)+(1*1)=167
167 % 10 = 7
So 1353547-91-7 is a valid CAS Registry Number.