54857-24-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54857-24-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,5 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54857-24:
(7*5)+(6*4)+(5*8)+(4*5)+(3*7)+(2*2)+(1*4)=148
148 % 10 = 8
So 54857-24-8 is a valid CAS Registry Number.
54857-24-8Relevant articles and documents
ALLYLBORONSAEUREESTER AUS ALLYLZINN-VERBINDUNGEN
Hoffmann, Reinhard W.,Feussner, Giso,Zeiss, Hans-Joachim,Schulz, Sabine
, p. 321 - 329 (1980)
Allylboronic esters are obtained in good yield by the reaction of allyltrialkyltin derivatives with 2-chloro-1,3,2-dioxaborolane.In the case of tributylprenyltin, 4(S)-7-triethylstannyl-p-menthene and tri-n-butylcrotyltin the boron/tin-exchange leads to a