850423-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850423-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,4,2 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 850423-01:
(8*8)+(7*5)+(6*0)+(5*4)+(4*2)+(3*3)+(2*0)+(1*1)=137
137 % 10 = 7
So 850423-01-7 is a valid CAS Registry Number.