1387565-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1387565-83-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,7,5,6 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1387565-83:
(9*1)+(8*3)+(7*8)+(6*7)+(5*5)+(4*6)+(3*5)+(2*8)+(1*3)=214
214 % 10 = 4
So 1387565-83-4 is a valid CAS Registry Number.