1385634-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1385634-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,5,6,3 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1385634-56:
(9*1)+(8*3)+(7*8)+(6*5)+(5*6)+(4*3)+(3*4)+(2*5)+(1*6)=189
189 % 10 = 9
So 1385634-56-9 is a valid CAS Registry Number.