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85598-03-4

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85598-03-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85598-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,5,9 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 85598-03:
(7*8)+(6*5)+(5*5)+(4*9)+(3*8)+(2*0)+(1*3)=174
174 % 10 = 4
So 85598-03-4 is a valid CAS Registry Number.

85598-03-4Relevant articles and documents

Ring Opening of Aryl Cyclopropyl Ketones to 1-Acyl-1,1,3-tribromopropanes and Their Cyclization to 2-Aryl-3,3-dibromo-2-methoxy and -2-cyanotetrahydrofurans

Takahashi, Masahiko,Takeshi, Noriaki,Myojoh, Kohji,Sano, Hideyuki,Morisawa, Toshio

, p. 209 - 211 (2007/10/02)

The reaction of aryl cyclopropyl ketones 1 with excess bromine gave 1-acyl-1,1,3-tribromopropanes 2, which were cyclized to 2-aryl-3,3-dibromo-2-methoxytetrahydrofurans 3 on treatment with alkaline in aqueous methanol. 2-Aryl-3,3-dibromo-2-cyanotetrahydro

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