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218784-21-5

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218784-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218784-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,7,8 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 218784-21:
(8*2)+(7*1)+(6*8)+(5*7)+(4*8)+(3*4)+(2*2)+(1*1)=155
155 % 10 = 5
So 218784-21-5 is a valid CAS Registry Number.

218784-21-5Downstream Products

218784-21-5Relevant articles and documents

Highly Active Manganese-Mediated Acylation of Alcohols with Acid Chlorides or Anhydrides

Joo, Seong-Ryu,Youn, Young-Jin,Hwang, Young-Ran,Kim, Seung-Hoi

, p. 2665 - 2669 (2017)

To explore further the practical uses of highly active manganese (Mn?), a variety of alcohols were treated with Mn?, and the resulting complexes were coupled with acid chlorides and/or acetic anhydride in the absence of any extra catalyst. The subsequent reactions took place smoothly under mild conditions, providing the corresponding O-acylation products in good to excellent isolated yields.

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