1379405-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1379405-80-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,9,4,0 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1379405-80:
(9*1)+(8*3)+(7*7)+(6*9)+(5*4)+(4*0)+(3*5)+(2*8)+(1*0)=187
187 % 10 = 7
So 1379405-80-7 is a valid CAS Registry Number.