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13449-26-8

13449-26-8

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13449-26-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13449-26-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,4 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13449-26:
(7*1)+(6*3)+(5*4)+(4*4)+(3*9)+(2*2)+(1*6)=98
98 % 10 = 8
So 13449-26-8 is a valid CAS Registry Number.

13449-26-8Relevant articles and documents

TRANSFORMATION OF 2-ARYLMETHYLENE-3-INOLINONES TO 4-(2-ACETYLAMINOBENZOYL)-5-ARYL-1,2,3-TRIAZOLES

Velezheva, V. S.,Marshakov, V. Yu.,Mel'man, A. I.,Kurkovskaya, L. N.,Suvorov, N. N.

, p. 1379 - 1387 (2007/10/02)

2-Arylmethylene-1-acetyl-3-indolinones are converted by the action of sodium azide in a mixture of DMSO and acetic acid into 4-(2-acetylaminobenzoyl)-5-aryl-1,2,3-triazoles with yields of 87-90percent. 1-Methyl-2-phenylmethylene-3-indolinone reacts simila

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