1239758-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239758-47-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,5 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239758-47:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*5)+(3*8)+(2*4)+(1*7)=194
194 % 10 = 4
So 1239758-47-4 is a valid CAS Registry Number.