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1432583-84-0

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1432583-84-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1432583-84-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,2,5,8 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1432583-84:
(9*1)+(8*4)+(7*3)+(6*2)+(5*5)+(4*8)+(3*3)+(2*8)+(1*4)=160
160 % 10 = 0
So 1432583-84-0 is a valid CAS Registry Number.

1432583-84-0Downstream Products

1432583-84-0Relevant articles and documents

Directed metalation?£?cross-coupling strategies. Total syntheses of the alleged and the revised phenanthrene natural product gymnopusin

Wang, Xin,Fu, Jian-Min,Snieckus, Victor

, p. 2680 - 2694 (2013/03/13)

The total synthesis of gymnopusin (2) is described. The originally assigned structure for gymnopusin 1a was found to be incorrect by total synthesis using the Directed ortho-Metalation (DoM)?£?Cross- Coupling?£?Directed remote Metalation (DreM) sequence, a demonstrable key strategy for the regioselective construction of the 9-phenanthrol core. The revised structure of gymnopusin (2) was confirmed by synthesis by adopting the same strategy but involving a key remote anionic Fries-rearrangement step. Both routes highlight methodologies and concepts which may be of value in the regiocontrolled synthesis of phenanthrenoids specifically and in complex polycyclic aromatics in general. Copyright

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