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851958-73-1

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851958-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851958-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,9,5 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 851958-73:
(8*8)+(7*5)+(6*1)+(5*9)+(4*5)+(3*8)+(2*7)+(1*3)=211
211 % 10 = 1
So 851958-73-1 is a valid CAS Registry Number.

851958-73-1Relevant articles and documents

Hydrochloric acid as an efficient catalyst for intermolecular condensation of alcohols. A simple and highly efficient synthesis of unsymmetrical ethers from benzylic alcohols and alkanols

Mochalov,Fedotov,Trofimova,Zefirov

, p. 1217 - 1231 (2015/11/09)

Benzylic alcohols and diarylmethanols with electron-donating substituents in the aromatic ring reacted with aliphatic alcohols in the presence of a catalytic amount of HCl to give the corresponding alkyl arylmethyl ethers. The reactivity of diarylmethanols in the intermolecular dehydration depended on the nature of substituents in the aromatic rings and structure of aliphatic alcohol.

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