1161004-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1161004-50-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,1,0,0 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1161004-50:
(9*1)+(8*1)+(7*6)+(6*1)+(5*0)+(4*0)+(3*4)+(2*5)+(1*0)=87
87 % 10 = 7
So 1161004-50-7 is a valid CAS Registry Number.