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81712-60-9

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81712-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81712-60-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,1 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81712-60:
(7*8)+(6*1)+(5*7)+(4*1)+(3*2)+(2*6)+(1*0)=119
119 % 10 = 9
So 81712-60-9 is a valid CAS Registry Number.

81712-60-9Relevant articles and documents

Proton or Carbene Transfer? On the Dark and Light Reaction of Diazoalkanes with Alcohols

Empel, Claire,He, Feifei,Jana, Sripati,Koenigs, Rene M.,Pei, Chao

, (2022/02/21)

The formal alkylation reaction of OH groups with diazoalkanes under catalyst-free reaction conditions finds broad application in organic synthesis. However, even today, this reaction is mainly limited to the use of diazomethane as reaction partner. In thi

Yb(OTf)3/FeCl3 mediated facile conversion of alcohols, ketals and acid sensitive ethers into diphenylmethyl (DPM) ethers

Sharma,Rajendra Prasad,Mahalingam

, p. 759 - 761 (2007/10/03)

10 mol% Yb(OTf)3 or FeCl3 have been developed as efficient reagents for the conversion of alcohols into diphenylmethyl (DPM) ethers. Similarly, FeCl3 has also been advantageously utilised to successfully convert ketals and

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