78012-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78012-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,1 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78012-20:
(7*7)+(6*8)+(5*0)+(4*1)+(3*2)+(2*2)+(1*0)=111
111 % 10 = 1
So 78012-20-1 is a valid CAS Registry Number.
78012-20-1Relevant articles and documents
SYNTHESIS OF PALLESCENSIN-E : USE OF CROWN ETHER IN THE WADSWORTH PROCEDURE FOR OLEFIN FORMATION
Baker, R.,Sims, R. J.
, p. 161 - 162 (2007/10/02)
The furanosesquiterpene, pallescensin-E has been prepared by a route involving reaction of a dimethyl 3-furylmethyl phosphonate anion with 2,3-dimethylbenzaldehyde in the presence of 15-crown-5; this reaction has been shown to have general applicability.
