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78178-74-2

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78178-74-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78178-74-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,7 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78178-74:
(7*7)+(6*8)+(5*1)+(4*7)+(3*8)+(2*7)+(1*4)=172
172 % 10 = 2
So 78178-74-2 is a valid CAS Registry Number.

78178-74-2Relevant articles and documents

Biosynthesis of Phenanthroindolizidine Alkaloids: Incorporation of 2-Pyrrolidin-2-ylacetophenone and Benzoylacetic Acid and Derivatives

Herbert, Richard B.,Jackson, Frederick B.,Nicolson, Ian T.

, p. 825 - 831 (2007/10/02)

2-Pyrrolidin-2-ylacetophenone (12) and its oxygenated derivatives, (13) and (14), bearing 14C and 3H labels are synthesized and are shown to be intact precursors for the phenanthroindolizidine alkaloid, tylophorinine (16), in Tylophora asthmatica; the three amines, singly labelled with tritium, are shown to be precursors for tylophorine (3) and tylophorinidine (17).Benzoylacetic acid (9) and p-hydroxybenzoylacetic acid (10), but not 4-hydroxy-3-methoxybenzoylacetic acid, are also precursors for tylophorinine (16).The results allow partial description of the biosynthetic pathways tophenanthroindolizidine alkaloids.A degradation is described which allowed the location of label in 2-pyrrolidin-2-ylacetophenone, derived from ornithine, to be established.

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