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133593-51-8

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133593-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133593-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,9 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133593-51:
(8*1)+(7*3)+(6*3)+(5*5)+(4*9)+(3*3)+(2*5)+(1*1)=128
128 % 10 = 8
So 133593-51-8 is a valid CAS Registry Number.

133593-51-8Downstream Products

133593-51-8Relevant articles and documents

ACETALS OF LACTAMS AND ACID AMIDES. 61. SYNTHESIS AND TRANSAMINATION OF INDOXYLS AND PYRROL-2-IN-4-ONES

Ryabova, S. Yu.,Trofimkin, Yu. I.,Alekseeva, L. M.,Bogdanova, G. A.,Sheinker, Yu. N.,Granik, V. G.

, p. 1238 - 1244 (2007/10/02)

Reaction of N-acetylindoxyl and 2-methyl-3-ethoxycarbonylpyrrol-2-in-4-one with acetals of N,N-dimethylformamide and N-formylpiperidine has given the enaminoketones.Hydrolysis and transamination of these enaminoketones has been studied.The structures of t

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