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85222-40-8

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85222-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85222-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,2 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 85222-40:
(7*8)+(6*5)+(5*2)+(4*2)+(3*2)+(2*4)+(1*0)=118
118 % 10 = 8
So 85222-40-8 is a valid CAS Registry Number.

85222-40-8Downstream Products

85222-40-8Relevant articles and documents

Novel Zinc-Promoted Alkylation of Iminium Salts. New Synthesis of Benzylisoquinoline, Phthalidylisoquinoline, and Protoberberine Alkaloids and Related Compounds

Shono, Tatsuya,Hamaguchi, Hiroshi,Sasaki, Manji,Fujita, Shumei,Nagami, Kimihiko

, p. 1621 - 1628 (2007/10/02)

Zinc-promoted reductive coupling reaction of iminium salts with alkyl halides was found to be a successful key reaction for synthesis of a variety of alkaloids such as benzylisoquinoline, phthalidylisoquinoline, and protoberberine alkaloids.More specifically, laudanosine, cordrastine, hydrastine, narcotine, tetrahydropalmatine, and canadine were obtained.A new route for the synthesis of the emetine and yohimbine skeletons was exploited.

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