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83960-80-9

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83960-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83960-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,6 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83960-80:
(7*8)+(6*3)+(5*9)+(4*6)+(3*0)+(2*8)+(1*0)=159
159 % 10 = 9
So 83960-80-9 is a valid CAS Registry Number.

83960-80-9Relevant articles and documents

Synthetic Investigations on Illudinine: A New Synthesis of Methyl 8-Methoxy-2,2-dimethyl-7-oxo-1,2,3,5,6,7-hexahydro-s-indacene-4-carboxylate

Girija, Talupuru,Shanker, P. Sathya,Rao, G. S. R. Subba

, p. 1467 - 1471 (2007/10/02)

A new strategy for the total synthesis of methyl 8-methoxy-2,2-dimethyl-7-oxo-1,2,3,5,6,7,-hexahydro-s-indacene-4-carboxylate 4, a key intermediate in the synthesis of illudalanes, is reported.The key step in this strategy is a new method of preparation o

BORON ANNULATION: SYNTHESIS OF TRANS-DECALIN NATURAL PRODUCT SYNTHONS

Reichel, Curtis J.,Bryson, Thomas A.

, p. 277 - 280 (2007/10/02)

Boron annulation of olefines 3, 4 and 14 has afforded decalin synthons 1 and 2 and perhydrophenanthrone 15, respectively.The A, B ring juncture of 15 and the ring systems of 1 and 2 were found to be trans.

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