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141544-18-5

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141544-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141544-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,5,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 141544-18:
(8*1)+(7*4)+(6*1)+(5*5)+(4*4)+(3*4)+(2*1)+(1*8)=105
105 % 10 = 5
So 141544-18-5 is a valid CAS Registry Number.

141544-18-5Downstream Products

141544-18-5Relevant articles and documents

Mild zinc-promoted Horner-Wadsworth-Emmons reactions of diprotic phosphonate reagents

Schauer, Douglas J.,Helquist, Paul

, p. 3654 - 3660 (2008/03/13)

We report the development of a mild protocol for the Horner-Wadsworth- Emmons reaction of diprotic phosphonates that makes use of a zinc triflate promoter in the presence of mild ter-tiary amine bases to produce α,β-unsaturated carboxylic acids and amides. Georg Thieme Verlag Stuttgart.

An Unusual Ring-Cleavage of 2,4-Di-N-methylcarbamoylcyclohexanones into Glutaconimide and Cinnamamides

Sadanandam, Yennu S.,Leelavathi, Panaganti,Ansari, Imtiaz A.

, p. 1147 - 1158 (2007/10/02)

3-Aryl-5-hydroxy-5-methyl-2,4-di-N-methylcarbamoylcyclohexanones (1a-h) under acidic and basic conditions underwent ring-cleavage to give 1,4-dimethylglutaconimide (3) and substituted N-methylcinnamamides (4a-h).The probable mechanism for the formation of

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