3743-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3743-84-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,4 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3743-84:
(6*3)+(5*7)+(4*4)+(3*3)+(2*8)+(1*4)=98
98 % 10 = 8
So 3743-84-8 is a valid CAS Registry Number.
InChI:InChI=1/C21H22N4O14S4/c1-12(26)22-17-11-16(41(30,31)32)9-13-10-18(42(33,34)35)20(21(27)19(13)17)24-23-14-3-5-15(6-4-14)25(2)40(28,29)8-7-39-43(36,37)38/h3-6,9-11,23H,7-8H2,1-2H3,(H,22,26)(H,30,31,32)(H,33,34,35)(H,36,37,38)/b24-20+