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1261791-19-8

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1261791-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261791-19-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,7,9 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1261791-19:
(9*1)+(8*2)+(7*6)+(6*1)+(5*7)+(4*9)+(3*1)+(2*1)+(1*9)=158
158 % 10 = 8
So 1261791-19-8 is a valid CAS Registry Number.

1261791-19-8Downstream Products

1261791-19-8Relevant articles and documents

Method for preparing 2-trifluoro-methoxy-aniline

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, (2008/06/13)

PCT No. PCT/FR98/01050 Sec. 371 Date Nov. 29, 1999 Sec. 102(e) Date Nov. 29, 1999 PCT Filed May 26, 1998 PCT Pub. No. WO98/54121 PCT Pub. Date Dec. 3, 1998This invention relates to a method for the preparation of a compound of formula I comprising the steps consisting in: a) optionally reacting a compound of general formula II: with a nitration reagent b) reducing the compound obtained in a) c) subjecting the compound obtained in b) to a dehydrochlorination in order to obtain the compound of formula I: and d) isolating the compound obtained in step c) from the reaction mixture.

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