7242-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7242-04-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,4 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7242-04:
(6*7)+(5*2)+(4*4)+(3*2)+(2*0)+(1*4)=78
78 % 10 = 8
So 7242-04-8 is a valid CAS Registry Number.
InChI:InChI=1/C51H74O19/c1-24-46(67-31(8)56)37(63-27(4)52)20-43(61-24)69-48-26(3)62-44(21-39(48)65-29(6)54)70-47-25(2)60-42(19-38(47)64-28(5)53)68-34-13-15-49(9)33(18-34)11-12-36-35(49)14-16-50(10)45(32-17-41(57)59-23-32)40(66-30(7)55)22-51(36,50)58/h17,24-26,33-40,42-48,58H,11-16,18-23H2,1-10H3/t24-,25-,26-,33-,34+,35+,36-,37+,38+,39+,40+,42+,43+,44+,45+,46-,47-,48-,49+,50-,51+/m1/s1