143407-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143407-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,4,0 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 143407-74:
(8*1)+(7*4)+(6*3)+(5*4)+(4*0)+(3*7)+(2*7)+(1*4)=113
113 % 10 = 3
So 143407-74-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H21BrN2O4S.Na/c1-11-10-28-17-14(16(24)23(17)15(11)18(25)26)22-19(27)20(7-2-3-8-20)12-5-4-6-13(21)9-12;/h4-6,9,14,17H,2-3,7-8,10H2,1H3,(H,22,27)(H,25,26);/q;+1/p-1