78303-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78303-27-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,0 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78303-27:
(7*7)+(6*8)+(5*3)+(4*0)+(3*3)+(2*2)+(1*7)=132
132 % 10 = 2
So 78303-27-2 is a valid CAS Registry Number.
78303-27-2Relevant articles and documents
NOUVELLE ORIENTATION DE LA REACTION DES YLURES DU PHOSPHORE AVEC LES ALDEHYDES
Kolodiazhnyi, Oleg I.
, p. 1231 - 1234 (2007/10/02)
A new reaction of ylids 1 with aldehydes is described.C-monosubstituted ylids t-Bu2P(Cl)=CH-R' give with aldehydes R''CH=O the phosphine oxydes t-Bu2P(O)-CH(Cl)R''stereoselectively ; the assymetric ylids t-Bu(R2N)P(Cl)=CH2 give a mixture of diastereoisomers.
