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56672-25-4

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56672-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56672-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,7 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56672-25:
(7*5)+(6*6)+(5*6)+(4*7)+(3*2)+(2*2)+(1*5)=144
144 % 10 = 4
So 56672-25-4 is a valid CAS Registry Number.

56672-25-4Relevant articles and documents

Regio-, Diastereo-, and Enantioselective Nitroso-Diels-Alder Reaction of 1,3-Diene-1-carbamates Catalyzed by Chiral Phosphoric Acids

Pous, Jonathan,Courant, Thibaut,Bernadat, Guillaume,Iorga, Bogdan I.,Blanchard, Florent,Masson, Géraldine

, p. 11950 - 11953 (2015)

Chiral phosphoric acid-catalyzed asymmetric nitroso-Diels-Alder reaction of nitrosoarenes with carbamate-dienes afforded cis-3,6-disubstituted dihydro-1,2-oxazines in high yields with excellent regio-, diastereo-, and enantioselectivities. Interestingly,

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