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114920-65-9

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114920-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 114920-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,9,2 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 114920-65:
(8*1)+(7*1)+(6*4)+(5*9)+(4*2)+(3*0)+(2*6)+(1*5)=109
109 % 10 = 9
So 114920-65-9 is a valid CAS Registry Number.

114920-65-9Downstream Products

114920-65-9Relevant articles and documents

ACETALS OF LACTAMS AND ACID AMIDES. 49. REACTION OF N-METHYL-2-PYRROLIDONE AND N-METHYL-2-PIPERIDONE ACETALS WITH ENAMINO DIKETONES

Shanazarov, A. K.,Solov'eva, N. P.,Chistyakov, V. V.,Sheinker, Yu. N.,Granik, V. G.

, p. 1178 - 1182 (2007/10/02)

It was established that acetals of lactams react with enamino diketones to give cyclic dienediamines.The dienediamines obtained in the reaction of N-methyl-2-pyrrolidone diethylacetal with 2-aminomethylenedimedone and 2-N,N-dimethylaminomethylenedimedone are converted to 3-(β-methylamino)ethyl-6,6-dimethyl-5,6,7,8-tetrahydro-5-coumarinone hydrochloride when they are heated in dilute hydrochloric acid.

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