89929-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89929-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,2 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89929-40:
(7*8)+(6*9)+(5*9)+(4*2)+(3*9)+(2*4)+(1*0)=198
198 % 10 = 8
So 89929-40-8 is a valid CAS Registry Number.
89929-40-8Relevant articles and documents
Reaction of Imines having an α-Hydroxy Group with Alkyl Iodides to give Betains
Akiyama, Fuminori
, p. 59 - 60 (1984)
Reaction of 3-(alkylimino)butan-2-ol with alkyl iodides, followed by treatment with aqueous sodium hydroxide solution, gives the betaines, 2-(N,N-dialkyliminio)butan-3-olates.