128988-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128988-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128988-54:
(8*1)+(7*2)+(6*8)+(5*9)+(4*8)+(3*8)+(2*5)+(1*4)=185
185 % 10 = 5
So 128988-54-5 is a valid CAS Registry Number.
InChI:InChI=1/C41H52O21/c1-15(2)6-11-20-22(57-39-32(51)30(49)27(46)23(13-42)58-39)12-21(44)25-29(48)38(35(60-36(20)25)18-7-9-19(54-5)10-8-18)62-41-34(53)37(26(45)16(3)56-41)61-40-33(52)31(50)28(47)24(59-40)14-55-17(4)43/h6-10,12,16,23-24,26-28,30-34,37,39-42,44-47,49-53H,11,13-14H2,1-5H3/t16-,23+,24+,26-,27+,28-,30-,31-,32+,33+,34+,37+,39+,40-,41-/m0/s1