143407-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143407-70-9 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 0 respectively.
Calculate Digit Verification of CAS Registry Number 143407-70:
(8*1)+(7*4)+(6*3)+(5*4)+(4*0)+(3*7)+(2*7)+(1*0)=109
109 % 10 = 9
So 143407-70-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H23BrN2O4S.Na/c1-19(2)14(17(25)26)23-15(24)13(16(23)28-19)22-18(27)20(8-3-4-9-20)11-6-5-7-12(21)10-11;/h5-7,10,13-14,16H,3-4,8-9H2,1-2H3,(H,22,27)(H,25,26);/q;+1/p-1/t13-,14+,16-;/m1./s1