23127-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23127-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,1,2 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23127-83:
(7*2)+(6*3)+(5*1)+(4*2)+(3*7)+(2*8)+(1*3)=85
85 % 10 = 5
So 23127-83-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H12O7/c1-5(12)4-11(10(16)17-3)7(6(2)13)8(14)9(15)18-11/h14H,4H2,1-3H3
23127-83-5Relevant articles and documents
A NEW METHOD FOR THE SYNTHESIS OF α,β-UNSATURATED KETONES
Bonadies, Francesco,Scarpati, M. Luisa,Savagnone, Fulvio
, p. 1 - 4 (2007/10/02)
The Zn(2+)-catalyzed selective cleavage of the oxalyl moiety of β-acyl-α-hydroxy-butenolides with various γ substituents affords α,β-unsaturated ketones in satisfactory yields.