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144896-94-6

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144896-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144896-94-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,8,9 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 144896-94:
(8*1)+(7*4)+(6*4)+(5*8)+(4*9)+(3*6)+(2*9)+(1*4)=176
176 % 10 = 6
So 144896-94-6 is a valid CAS Registry Number.

144896-94-6Relevant articles and documents

Asymmetric Cycloadditions of Aldehydes to Stabilised Azomethine Ylids: Enantiocontrolled Construction of β-Hydroxy-α-amino acid Derivatives

Harwood, Laurence M.,Macro, Jason,Watkin, David,Williams, C. Eleri,Wong, Ling F.

, p. 1127 - 1130 (1992)

In the absence of added dipolarophile, chiral stabilised azomethine ylids derived from the reaction of 5-(S)-phenylmorpholin-2-one (1) with aldehydes undergo efficient and highly enantiocontrolled cycloaddition with a second molecule of aldehyde to furnis

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