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185949-83-1

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185949-83-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 185949-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,9,4 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 185949-83:
(8*1)+(7*8)+(6*5)+(5*9)+(4*4)+(3*9)+(2*8)+(1*3)=201
201 % 10 = 1
So 185949-83-1 is a valid CAS Registry Number.

185949-83-1Downstream Products

185949-83-1Relevant articles and documents

Chemoselective acylation of amines in aqueous media

Naik, Sarala,Bhattacharjya, Gitalee,Talukdar, Bandana,Patel, Bhisma K.

, p. 1254 - 1260 (2007/10/03)

Amines are efficiently acylated by both cyclic and acyclic anhydrides by dissolving them in an aqueous medium with the help of a surfactant, sodium dodecyl sulfate (SDS). Cyclic and acyclic anhydrides react with equal ease with an amine, and amines with various stereo-electronic factors react at the same rates with an anhydride. Chemoselective acylation of amines in the presence of phenols and thiols and of thiols in the presence of phenols has been achieved. No acidic or basic reagents are used during the reaction. No Chromatographic separation is required for isolation of the acylated products. Reactions in a neutral aqueous medium, easy isolation of products, and innocuous by-products make the present method a green chemical process. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

PHENYLPYRIDAZINE DERIVATIVES AND DRUGS CONTAINING THE SAME

-

, (2008/06/13)

Phenylpyridazine compounds represented by the following formula (I): (wherein R1 represents a substituted or unsubstituted phenyl or a a substituted or unsubstituted pyridyl; R2 represents a lower alkoxy group, a lower alkylthio group, a lower alkylsufiny

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