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23428-78-6

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23428-78-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23428-78-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,2 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23428-78:
(7*2)+(6*3)+(5*4)+(4*2)+(3*8)+(2*7)+(1*8)=106
106 % 10 = 6
So 23428-78-6 is a valid CAS Registry Number.

23428-78-6Relevant articles and documents

Quinolizidines. XXII. An Extension of the "3-Acetylpyridine Route" to the Syntheses of 9-Hydroxy-10-methoxy- and 10-Hydroxy-9-methoxybenzoquinolizidine-Type Alangium Alkaloids

Fujii, Tozo,Ohba, Masashi,Sakaguchi, Jun

, p. 3628 - 3640 (2007/10/02)

Alternative syntheses of the Alangium alkaloids bearing the 9-hydroxy-10-methoxy- and 10-hydroxy-9-methoxybenzoquinolizidine skeletons (types 3 and 4) have now become feasible through generally applicable routes starting from 3-acetylpyridine.The route

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