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19037-00-4

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19037-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19037-00-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,3 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19037-00:
(7*1)+(6*9)+(5*0)+(4*3)+(3*7)+(2*0)+(1*0)=94
94 % 10 = 4
So 19037-00-4 is a valid CAS Registry Number.

19037-00-4Downstream Products

19037-00-4Relevant articles and documents

Use of silver carbonate in the Wittig reaction

Jedinak, Lukas,Rush, Latoya,Lee, Mijoon,Hesek, Dusan,Fisher, Jed F.,Boggess, Bill,Noll, Bruce C.,Mobashery, Shahriar

, p. 12224 - 12228 (2013)

An efficient synthesis of olefins by the coupling of stabilized, semistabilized, and nonstabilized phosphorus ylides with various carbonyl compounds in the presence of silver carbonate is reported. Wittig olefination of aromatic, heteroaromatic, and aliphatic aldehydes (yields >63%) and a ketone (yield 42%) are demonstrated. These reactions proceed overnight at room temperature, under weakly basic conditions, and as such extend the applicability of the Wittig reaction to base-sensitive reactants.

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