137551-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137551-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,5 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137551-42:
(8*1)+(7*3)+(6*7)+(5*5)+(4*5)+(3*1)+(2*4)+(1*2)=129
129 % 10 = 9
So 137551-42-9 is a valid CAS Registry Number.
InChI:InChI=1/C47H76O17/c1-21-30(51)32(53)34(55)38(60-21)64-37-36(63-39-35(56)33(54)31(52)25(19-48)61-39)24(49)20-59-40(37)62-29-12-13-44(6)26(43(29,4)5)11-14-45(7)27(44)10-9-22-23-17-42(2,3)15-16-47(23,41(57)58)28(50)18-46(22,45)8/h9,21,23-40,48-56H,10-20H2,1-8H3,(H,57,58)/t21-,23+,24-,25+,26?,27+,28+,29-,30-,31-,32+,33-,34+,35+,36-,37+,38-,39+,40-,44-,45+,46+,47+/m0/s1