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116877-23-7

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116877-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116877-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,8,7 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 116877-23:
(8*1)+(7*1)+(6*6)+(5*8)+(4*7)+(3*7)+(2*2)+(1*3)=147
147 % 10 = 7
So 116877-23-7 is a valid CAS Registry Number.

116877-23-7Upstream product

116877-23-7Downstream Products

116877-23-7Relevant articles and documents

Partial Syntheses of Diastereomeric Carotenols

Sliwka, Hans-Richard,Liaaen-Jensen, Synnoee

, p. 518 - 525 (2007/10/02)

The application of the Mitsunobu reaction was successfully tested on (3R,3'R)-zeaxanthin, giving the (3S,3'S)-enantiomer and meso form.Applied to natural (3R,3'R,6'R)-lutein, this inversion reaction allowed the preparation of the three other 6'R diastereomers. (3S,3'S,6'R)-lutein with 3',6'-cis-configuration of the ε-ring has not been synthesized before.The observed Cotton effects of the eight lutein diastereomers are rationalized by application of the additivity hypothesis.New trivial names are suggested for the eight lutein isomers on the basis of structural relationships.

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