74349-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74349-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,4 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74349-03:
(7*7)+(6*4)+(5*3)+(4*4)+(3*9)+(2*0)+(1*3)=134
134 % 10 = 4
So 74349-03-4 is a valid CAS Registry Number.
74349-03-4Relevant articles and documents
ALLYLBORONSAEUREESTER AUS ALLYLZINN-VERBINDUNGEN
Hoffmann, Reinhard W.,Feussner, Giso,Zeiss, Hans-Joachim,Schulz, Sabine
, p. 321 - 329 (2007/10/02)
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
