81430-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81430-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,3 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81430-40:
(7*8)+(6*1)+(5*4)+(4*3)+(3*0)+(2*4)+(1*0)=102
102 % 10 = 2
So 81430-40-2 is a valid CAS Registry Number.
InChI:InChI=1/C41H30ClN9O18S6.5Na/c42-39-45-40(43-22-4-1-5-24(18-22)70(52,53)17-16-69-75(66,67)68)47-41(46-39)44-34-15-14-32(28-7-3-9-36(38(28)34)73(60,61)62)50-51-33-13-12-31(26-11-10-25(21-29(26)33)71(54,55)56)49-48-23-19-30-27(37(20-23)74(63,64)65)6-2-8-35(30)72(57,58)59;;;;;/h1-15,18-21H,16-17H2,(H,54,55,56)(H,57,58,59)(H,60,61,62)(H,63,64,65)(H,66,67,68)(H2,43,44,45,46,47);;;;;/q;5*+1/p-5/b49-48+,51-50+;;;;;