1373868-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1373868-97-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,8,6 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1373868-97:
(9*1)+(8*3)+(7*7)+(6*3)+(5*8)+(4*6)+(3*8)+(2*9)+(1*7)=213
213 % 10 = 3
So 1373868-97-3 is a valid CAS Registry Number.