1388177-38-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1388177-38-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,8,1,7 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1388177-38:
(9*1)+(8*3)+(7*8)+(6*8)+(5*1)+(4*7)+(3*7)+(2*3)+(1*8)=205
205 % 10 = 5
So 1388177-38-5 is a valid CAS Registry Number.