123580-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123580-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,8 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123580-52:
(8*1)+(7*2)+(6*3)+(5*5)+(4*8)+(3*0)+(2*5)+(1*2)=109
109 % 10 = 9
So 123580-52-9 is a valid CAS Registry Number.
InChI:InChI=1/2C44H54N2O19.C4H6O6/c2*1-21-35(50)37(52)39(54)43(62-21)61-19-32-36(51)38(53)40(55)44(65-32)63-24-15-25(47)34-26(48)17-29(64-31(34)16-24)22-6-8-27(56-2)30(14-22)60-20-33(49)46-12-10-45(11-13-46)18-23-7-9-28(57-3)42(59-5)41(23)58-4;5-1(3(7)8)2(6)4(9)10/h2*6-9,14-17,21,32,35-40,43-44,47,50-55H,10-13,18-20H2,1-5H3;1-2,5-6H,(H,7,8)(H,9,10)/t2*21-,32+,35-,36+,37+,38-,39+,40+,43+,44+;1-,2-/m001/s1