74401-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74401-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,0 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74401-71:
(7*7)+(6*4)+(5*4)+(4*0)+(3*1)+(2*7)+(1*1)=111
111 % 10 = 1
So 74401-71-1 is a valid CAS Registry Number.
InChI:InChI=1/C7H11NO4S/c1-4(9)8(5(2)10)6(3-13)7(11)12/h6,13H,3H2,1-2H3,(H,11,12)/t6-/m0/s1