1374656-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1374656-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,6,5 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1374656-55:
(9*1)+(8*3)+(7*7)+(6*4)+(5*6)+(4*5)+(3*6)+(2*5)+(1*5)=189
189 % 10 = 9
So 1374656-55-9 is a valid CAS Registry Number.