77987-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77987-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,8 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77987-52:
(7*7)+(6*7)+(5*9)+(4*8)+(3*7)+(2*5)+(1*2)=201
201 % 10 = 1
So 77987-52-1 is a valid CAS Registry Number.
InChI:InChI=1/C22H43N5O13/c23-2-1-3-36-22(35)27-8-4-7(25)18(39-21-16(33)15(32)13(30)9(5-24)37-21)17(34)19(8)40-20-14(31)11(26)12(29)10(6-28)38-20/h7-21,28-34H,1-6,23-26H2,(H,27,35)/t7-,8+,9+,10+,11-,12+,13+,14+,15-,16+,17-,18+,19-,20+,21-/m0/s1