1582805-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1582805-94-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,2,8,0 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1582805-94:
(9*1)+(8*5)+(7*8)+(6*2)+(5*8)+(4*0)+(3*5)+(2*9)+(1*4)=194
194 % 10 = 4
So 1582805-94-4 is a valid CAS Registry Number.