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802622-21-5

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802622-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 802622-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,2,6,2 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 802622-21:
(8*8)+(7*0)+(6*2)+(5*6)+(4*2)+(3*2)+(2*2)+(1*1)=125
125 % 10 = 5
So 802622-21-5 is a valid CAS Registry Number.

802622-21-5Downstream Products

802622-21-5Relevant articles and documents

Challenge toward structural complexity using asymmetric catalysis: Target-oriented development of catalytic enantioselective Diels-Alder reaction

Usuda, Hiroyuki,Kuramochi, Akiyoshi,Kanai, Motomu,Shibasaki, Masakatsu

, p. 4387 - 4390 (2007/10/03)

(Chemical Equation Presented) A new method for the catalytic enantioselective Diels-Alder reaction using polysubstituted silyl enol ethers as dienes is described. High enantioselectivity (up to 92% ee) was produced using a catalyst generated from FeBr3 and AgSbF6 in a 1:2 ratio and aryl-pybox (aryl = Ph or p-ethoxyphenyl). This reaction should facilitate the enantioselective synthesis of polycyclic acylphloroglucinols such as hyperforin or garsubellin A, which are currently of interest from synthetic and medicinal points of view.

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