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374590-18-8

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374590-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 374590-18-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,4,5,9 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 374590-18:
(8*3)+(7*7)+(6*4)+(5*5)+(4*9)+(3*0)+(2*1)+(1*8)=168
168 % 10 = 8
So 374590-18-8 is a valid CAS Registry Number.

374590-18-8Relevant articles and documents

Synthetic studies towards the octahydro-1H-benzo[f]pyrrolo[3,2,1-ij]quinolines: Enantioselective synthesis of (2R,3S)-2-[(1S)-3-(benzyloxy)-1-(tert-butyldimethyl-silyloxymethyl) propyl]-3-phenylhexahydropyridine

Zaponakis, George S,Katerinopoulos, Haralambos E

, p. 6393 - 6396 (2001)

(2R,3S)-2-[(1S)-3-(Benzyloxy)-1-(tert-butyldimethylsilyloxymethyl)propyl]-3- phenylhexahydropyridine - a key synthetic intermediate for the preparation of (6aS,11bS,11cS)-1H-benzo[f]pyrrolo[3,2,1-ij]quinoline - was synthesized in nine steps. The synthetic approach uses both enantiomers of the chiral auxiliary trans-2,5-bis(methoxymethoxymethyl)pyrrolidine, employed in different stages of the synthesis for the construction of two out of the three stereogenic centers in the above mentioned intermediate.

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