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98996-16-8

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98996-16-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98996-16-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,9 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98996-16:
(7*9)+(6*8)+(5*9)+(4*9)+(3*6)+(2*1)+(1*6)=218
218 % 10 = 8
So 98996-16-8 is a valid CAS Registry Number.

98996-16-8Relevant articles and documents

BORON TRICHLORIDE CATALYZED ORTHO CARBONYLATION OF PHENOLS: SYNTHESIS OF 2-HYDROXY-ARYL-CARBOXYAMIDES AND -KETONES.

Piccolo, Oreste,Filippini, Lucio,Tinucci, Laura,Valoti, Ermanno,Citterio, Attilio

, p. 885 - 892 (2007/10/02)

In the presence of equimolar quantity of BCl3, phenols 1 react with isocyanates and acyl chlorides to give, usually with good-excellent yields, 2-hydroxy-aryl-carboxy-amides 2 and 2-hydroxy-aryl-ketones 3 respectively.A distinctive behaviour of BCl3 in comparison with other Lewis acids is observed.

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