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68504-48-3

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68504-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68504-48-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,0 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68504-48:
(7*6)+(6*8)+(5*5)+(4*0)+(3*4)+(2*4)+(1*8)=143
143 % 10 = 3
So 68504-48-3 is a valid CAS Registry Number.

68504-48-3Downstream Products

68504-48-3Relevant articles and documents

REAGENTS AND SYNTHETIC METHODS 28. MODIFIED PROCEDURES FOR ANHYDRIZATION, ESTERIFICATION AND THIOLESTERIFICATION OF CARBOXYLIC ACIDS BY MEANS OF AVAILABLE PHOSPHORUS REAGENTS.

Arrieta, A.,Garcia, T.,Lago, J. M.,Palomo, C.

, p. 471 - 488 (2007/10/02)

Carboxylic acid anhydrides, esters and thiol esters are obtained by a one-pot method from carboxylic acids and alcohols or thiol by means of phosphorus oxychloride or phenyl dichlorophosphoridate reagents.

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