1338823-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338823-56-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,8,2 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1338823-56:
(9*1)+(8*3)+(7*3)+(6*8)+(5*8)+(4*2)+(3*3)+(2*5)+(1*6)=175
175 % 10 = 5
So 1338823-56-5 is a valid CAS Registry Number.