1396969-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1396969-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,6,9,6 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1396969-21:
(9*1)+(8*3)+(7*9)+(6*6)+(5*9)+(4*6)+(3*9)+(2*2)+(1*1)=233
233 % 10 = 3
So 1396969-21-3 is a valid CAS Registry Number.