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144331-17-9

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144331-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144331-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,3 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 144331-17:
(8*1)+(7*4)+(6*4)+(5*3)+(4*3)+(3*1)+(2*1)+(1*7)=99
99 % 10 = 9
So 144331-17-9 is a valid CAS Registry Number.

144331-17-9Downstream Products

144331-17-9Relevant articles and documents

On the stereoselectivity of the reaction of N-(9-phenylfluoren-9-yl)aspartate enolates with electrophiles. Synthesis of enantiomerically pure 3-hydroxy-, 3-amino-, and 3-hydroxy-3-methylaspartates

Fernandez-Megia,Paz,Javier Sardina

, p. 7643 - 7652 (2007/10/02)

We have developed efficient and stereoselective preparations of enantiomerically pure (3R)- and (3S)-N-Pf-3-hydroxy- and N-Pf-3-aminoaspartates by reaction of N-Pf-aspartate enolates with electrophilic hydroxylating or aminating reagents. The stereoselect

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