938241-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 938241-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,8,2,4 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 938241-57:
(8*9)+(7*3)+(6*8)+(5*2)+(4*4)+(3*1)+(2*5)+(1*7)=187
187 % 10 = 7
So 938241-57-7 is a valid CAS Registry Number.