Cas 85868-21-9,O-vinyl-p-chloroacetophenone oxime

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Check Digit Verification of cas no

The CAS Registry Mumber 85868-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,6 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85868-21:
(7*8)+(6*5)+(5*8)+(4*6)+(3*8)+(2*2)+(1*1)=179
179 % 10 = 9
So 85868-21-9 is a valid CAS Registry Number.

85868-21-9Upstream product

85868-21-9Downstream Products

19867-89-1 2-(4-chlorophenyl)-1H-pyrrole

85868-21-9Relevant articles and documents

PYRROLES FROM KETOXIMES AND ACETYLENE. 30. THE SYNTHESIS OF 3-ALKYL-2-ARYLPYRROLES

Korostova, S. E.,Mikhaleva, A. I.,Sobenina, L. N.,Shevchenko, S. G.,Shcherbakov, V. V.

, p. 1238 - 1241 (2007/10/02)

Conditions were found for the synthesis of 3-alkyl-2-arylpyrroles using the Trofimov reaction at 50-70 deg C both at elevated and atmospheric pressure.O-Vinyloximes and 3H-5-hydroxy-4,5-dihydropyrroles were isolated as intermediates.

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85868-21-9