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120341-02-8

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120341-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120341-02-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,3,4 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120341-02:
(8*1)+(7*2)+(6*0)+(5*3)+(4*4)+(3*1)+(2*0)+(1*2)=58
58 % 10 = 8
So 120341-02-8 is a valid CAS Registry Number.

120341-02-8Downstream Products

120341-02-8Relevant articles and documents

ACETALS OF LACTAMS AND ACID AMIDES. 53. ENAMIDINES IN THE SYNTHESIS OF PYRIDINE AND PYRIMIDINE

Dozorova, E. N.,Solov'eva, N. P.,Granik, V. G.

, p. 914 - 919 (1988)

The reaction of α-cyano-β-aminocrotonic ester with DMFA diethylacetal gives 1-ethoxycarbonyl-1-cyano-2-(N-dimethylaminomethylene)-amino-4-dimethylaminobutadiene, the reaction of which with ammonium acetate and amines leads to 4-methylenepyrimidine derivatives.Condensation of α-cyano-β-aminocrotonic ester with dimethylacetamide diethylacetal gave 2-(ethoxycarbonylcyano)methylene-4-dimethylamino-6-methylpyridine.It was found that in an alkaline medium, 1-benzyl-4-(ethoxycarbonylcyano)methylenepyrimidine recyclizes into 1-benzyl-3-cyano-4-amino-2-pyridone.

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