143049-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143049-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,4 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143049-26:
(8*1)+(7*4)+(6*3)+(5*0)+(4*4)+(3*9)+(2*2)+(1*6)=107
107 % 10 = 7
So 143049-26-7 is a valid CAS Registry Number.
InChI:InChI=1/C51H84O23/c1-20-7-12-50(66-19-20)21(2)32-27(72-50)14-26-24-6-5-22-13-23(8-10-48(22,3)25(24)9-11-49(26,32)4)51(74-47-42(65)39(62)35(58)30(17-54)69-47)44(71-46-41(64)38(61)34(57)29(16-53)68-46)43(36(59)31(18-55)73-51)70-45-40(63)37(60)33(56)28(15-52)67-45/h20-47,52-65H,5-19H2,1-4H3/t20-,21+,22?,23?,24?,25?,26?,27+,28-,29-,30-,31+,32+,33-,34-,35-,36+,37+,38+,39+,40-,41-,42-,43+,44-,45+,46+,47+,48+,49+,50?,51+/m1/s1