78877-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78877-66-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,7 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78877-66:
(7*7)+(6*8)+(5*8)+(4*7)+(3*7)+(2*6)+(1*6)=204
204 % 10 = 4
So 78877-66-4 is a valid CAS Registry Number.
78877-66-4Relevant articles and documents
Synthesis of 3-Methyleneazetidin-2-one Derivatives from α-Keto-amides
Adlington, Robert M.,Barrett, Anthony G.M.,Quayle, Peter,Walker, Andrew,Betts, Michael J.
, p. 605 - 612 (2007/10/02)
Several α-methyleneazetidin-2-one derivatives (CH2=CCONR1CHR2, R1 = cyclohexyl, PhCH2; R2 = H, Me, Et, Prn, etc.) were prepared from the 2-(2,4,6-tri-isopropylbenzenesulphonylhydrazones) of primary α-
