1603136-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603136-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,1,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1603136-54:
(9*1)+(8*6)+(7*0)+(6*3)+(5*1)+(4*3)+(3*6)+(2*5)+(1*4)=124
124 % 10 = 4
So 1603136-54-4 is a valid CAS Registry Number.