75442-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75442-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,4 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75442-91:
(7*7)+(6*5)+(5*4)+(4*4)+(3*2)+(2*9)+(1*1)=140
140 % 10 = 0
So 75442-91-0 is a valid CAS Registry Number.
InChI:InChI=1/C47H71NO17.Na/c1-27-17-15-13-11-9-7-5-6-8-10-12-14-16-18-34(64-46-44(58)41(48)43(57)30(4)63-46)24-38-40(45(59)60)37(54)26-47(61,65-38)25-36(53)35(52)20-19-31(49)21-32(50)22-33(51)23-39(55)62-29(3)28(2)42(27)56;/h5-18,27-31,33-38,40-44,46,49,51-54,56-58,61H,19-26,48H2,1-4H3,(H,59,60);/q;+1/p-1/b6-5+,9-7+,10-8-,13-11+,14-12+,17-15+,18-16+;