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216586-53-7

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216586-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216586-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,5,8 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 216586-53:
(8*2)+(7*1)+(6*6)+(5*5)+(4*8)+(3*6)+(2*5)+(1*3)=147
147 % 10 = 7
So 216586-53-7 is a valid CAS Registry Number.

216586-53-7Relevant articles and documents

Alternating chiral selectivity of aldol reactions under the confined space of mesoporous silica

Yeh, Chewei,Sun, Yan-Ru,Huang, Shing-Jong,Tsai, Yeun-Min,Cheng, Soofin

, p. 17116 - 17119 (2015)

The chiral selectivities were altered and high diastereo- and enantio-selectivities of the products were obtained in water medium without adding acid co-catalysts when a primary-tertiary diamine catalyst was immobilized on mesoporous SBA-15 to form a recyclable catalyst for the direct asymmetric aldol reaction of cyclohexanone with p-nitrobenzaldehyde.

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