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1,2,4-trimethoxy-3-tridec-12-enylbenzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

503559-55-5

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503559-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503559-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,5 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 503559-55:
(8*5)+(7*0)+(6*3)+(5*5)+(4*5)+(3*9)+(2*5)+(1*5)=145
145 % 10 = 5
So 503559-55-5 is a valid CAS Registry Number.

503559-55-5Relevant articles and documents

Synthesis of ansa-bridged macrocyclic lactams related to the antitumor antibiotic geldanamycin by ring closing metathesis

Bach, Thorsten,Lemarchand, Aude

, p. 1302 - 1304 (2002)

The α,β,γ,δ-unsaturated 2,4,5-trimethoxyanilides 8a-e which bear a terminal alkenyl side chain at the 3-position were prepared from 1,2,4-trimethoxybenzene (2) in four steps and 25-41% overall yield. Attempted ring closing metathesis reactions were succes

Synthesis of a para-quinone macrolactam related to geldanamycin by ring closing metathesis

Lemarchand, Aude,Bach, Thorsten

, p. 9659 - 9673 (2007/10/03)

Model studies conducted with the α,β,γ,δ-unsaturated 3-alkenyl-2,4,5-trimethoxyanilides 11 revealed that a ring closing metathesis (RCM) of these compounds is possible if the ansa chain contains more than 14 atoms. The (Z)-configurated products 12c-e were

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