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29910-09-6

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29910-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29910-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,1 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 29910-09:
(7*2)+(6*9)+(5*9)+(4*1)+(3*0)+(2*0)+(1*9)=126
126 % 10 = 6
So 29910-09-6 is a valid CAS Registry Number.

29910-09-6Relevant articles and documents

Desymmetrization of meso-cyclic imides via enantioselective monohydrogenation

Takebayashi, Satoshi,John, Jeremy M.,Bergens, Steven H.

supporting information; experimental part, p. 12832 - 12834 (2010/11/03)

meso-Cyclic imides are monohydrogenated to form the corresponding hydroxy lactams in 88-97% ee using trans-[Ru((R)-BINAP)(H)2((R,R)-dpen)] and related compounds as catalysts with base in THF. The hydrogenation proceeds with high enantiogroup-and chemoselectivity, and it is a desymmetrization reaction, forming up to five stereogenic centers in one reaction. Conversion of a hydroxy lactam into the corresponding iminium ion followed by addition of indene extended the number of stereogenic centers from 5 to 7.

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