1398507-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1398507-72-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,8,5,0 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1398507-72:
(9*1)+(8*3)+(7*9)+(6*8)+(5*5)+(4*0)+(3*7)+(2*7)+(1*2)=206
206 % 10 = 6
So 1398507-72-6 is a valid CAS Registry Number.