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877384-26-4

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877384-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 877384-26-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,3,8 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 877384-26:
(8*8)+(7*7)+(6*7)+(5*3)+(4*8)+(3*4)+(2*2)+(1*6)=224
224 % 10 = 4
So 877384-26-4 is a valid CAS Registry Number.

877384-26-4Upstream product

877384-26-4Relevant articles and documents

Highly diastereoselective catalytic Meerwein-Ponndorf-Verley reductions

Yin, Jingjun,Huffman, Mark A.,Conrad, Karen M.,Armstrong III, Joseph D.

, p. 840 - 843 (2006)

Very practical synthesis of ephedrine analogues in high yields and enantiopurity was realized by a highly diastereoselective Meerwein-Ponndorf- Verley (MPV) reduction of protected α-amino aromatic ketones using catalytic aluminum isopropoxide. The high anti selectivity resulted from the chelation of the nitrogen anion to the aluminum. In contrast, high syn selectivity was obtained with α-alkoxy ketones and other compounds via Felkin-Ahn control.

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