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1289423-47-7

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1289423-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289423-47-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,4,2 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1289423-47:
(9*1)+(8*2)+(7*8)+(6*9)+(5*4)+(4*2)+(3*3)+(2*4)+(1*7)=187
187 % 10 = 7
So 1289423-47-7 is a valid CAS Registry Number.

1289423-47-7Downstream Products

1289423-47-7Relevant articles and documents

The construction of quaternary stereocenters by the Henry reaction: Circumventing the usual reactivity of substituted glyoxals

Blay, Gonzalo,Hernandez-Olmos, Victor,Pedro, Jose R.

supporting information; experimental part, p. 3768 - 3773 (2011/05/04)

The enantioselective Henry reaction between alkyl- and arylglyoxal hydrates and nitromethane catalyzed by CuII-iminopyridine complexes takes place regioselectively on the ketone carbonyl group to give chiral tertiary nitroaldols with high functional group density and enantiomeric excesses of up to 96 %. Both aromatic and aliphatic glyoxals are suitable substrates for this reaction.

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