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1037302-98-9

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1037302-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1037302-98-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,7,3,0 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1037302-98:
(9*1)+(8*0)+(7*3)+(6*7)+(5*3)+(4*0)+(3*2)+(2*9)+(1*8)=119
119 % 10 = 9
So 1037302-98-9 is a valid CAS Registry Number.

1037302-98-9Downstream Products

1037302-98-9Relevant articles and documents

Asymmetric michael addition of a recyclable chiral amine: Inversion of stereoselectivity caused by the difference of ethereal solvents

Node, Manabu,Hashimoto, Daisuke,Katoh, Takahiro,Ochi, Shunsuke,Ozeki, Minoru,Watanabe, Tsunefumi,Kajimoto, Tetsuya

scheme or table, p. 2653 - 2656 (2009/05/27)

(Chemical Equation Presented) The Michael addition of a chiral amine [(-)-6] to α,β-unsaturated esters (4) was attained and the stereoselectivity was inverted by changing the solvent from diethyl ether to tetrahydrofuran when α,β-unsaturated esters having an aromatic ring at the β-position were employed. In addition, the chiral auxiliary in the Michael adducts (9A) was facilely removed with N-iodosuccinimide to afford β-amino esters (10A) and 2-methoxy-d-bornylaldehyde (11), which can be reclaimed to the chiral amine (6) by reductive amination.

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