1378685-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378685-98-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,6,8 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1378685-98:
(9*1)+(8*3)+(7*7)+(6*8)+(5*6)+(4*8)+(3*5)+(2*9)+(1*8)=233
233 % 10 = 3
So 1378685-98-3 is a valid CAS Registry Number.