142689-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142689-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,8 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142689-34:
(8*1)+(7*4)+(6*2)+(5*6)+(4*8)+(3*9)+(2*3)+(1*4)=147
147 % 10 = 7
So 142689-34-7 is a valid CAS Registry Number.
InChI:InChI=1/C35H63N11O13/c1-3-4-5-6-7-8-9-12-25(51)43-22(11-10-14-42-35(40)59)30(54)44-23(18-48)31(55)45-27(28(52)29(39)53)34(58)46(20(17-47)16-24(37)50)33(57)21(36)13-15-41-32(56)26(38)19(2)49/h9,12,19-23,26-28,47-49,52H,3-8,10-11,13-18,36,38H2,1-2H3,(H2,37,50)(H2,39,53)(H,41,56)(H,43,51)(H,44,54)(H,45,55)(H3,40,42,59)/b12-9-/t19-,20-,21?,22+,23-,26-,27-,28-/m0/s1