139390-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139390-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,9 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139390-87:
(8*1)+(7*3)+(6*9)+(5*3)+(4*9)+(3*0)+(2*8)+(1*7)=157
157 % 10 = 7
So 139390-87-7 is a valid CAS Registry Number.
InChI:InChI=1/C51H78O24/c1-19-7-10-51(66-18-19)20(2)32-26(75-51)12-25-23-6-5-21-11-22(8-9-49(21,3)24(23)13-31(56)50(25,32)4)67-45-41(65)38(62)42(30(17-55)71-45)72-48-44(74-47-40(64)37(61)34(58)28(15-53)69-47)43(35(59)29(16-54)70-48)73-46-39(63)36(60)33(57)27(14-52)68-46/h5,20,22-30,32-48,52-55,57-65H,1,6-18H2,2-4H3