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77092-56-9

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77092-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77092-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,9 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77092-56:
(7*7)+(6*7)+(5*0)+(4*9)+(3*2)+(2*5)+(1*6)=149
149 % 10 = 9
So 77092-56-9 is a valid CAS Registry Number.

77092-56-9Relevant articles and documents

Synthetic studies on the lythraceae alkaloids-IX1 1 Other papers in this series: I.J. Quick and R. Oterson, Tetrahedron Letters 745 (1977); II, Ref. 8a; III, Ref. 8b; IV, Ref. 3a; V, Ref. 14; VI, Ref. 12; VII, Ref. 18; VIII, Ref. 13. Vanadium (V) oxidation of some seco-alkaloids

Quick, James,Ramachandra, Ramavana

, p. 1301 - 1306 (1980)

Seco-alkaloids 4-7 were treated with VOF3 and VOCl3, under a variety of conditions. No coupled products were detected. However, ring chlorinated and side-chain oxidized products were obtained from the VOCl3 oxidation of 4 and 7 respectively. The generality of the ring chlorination reaction was confirmed by chlorination of simple 0-methoxy phenols under these conditions to yield 17 and 23. In certain cases, 21 and 22, intermolecular coupling occurs in preference to chlorination.

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