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1017581-68-8

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1017581-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1017581-68-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,7,5,8 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1017581-68:
(9*1)+(8*0)+(7*1)+(6*7)+(5*5)+(4*8)+(3*1)+(2*6)+(1*8)=138
138 % 10 = 8
So 1017581-68-8 is a valid CAS Registry Number.

1017581-68-8Relevant articles and documents

Synthesis of benzylisoquinoline derivatives possessing electron-withdrawing substituents on the benzene ring of the isoquinoline skeleton

Severin, René,Mujahidin, Didin,Reimer, Jessica,Doye, Sven

, p. 683 - 700 (2008/09/18)

3,4-Dihydrobenzylisoquinolines and 1,2,3,4-tetrahydrobenzyl-isoquinolines possessing electron withdrawing substituents on the benzene ring of the isoquinoline framework are easily accessible by a synthetic approach that takes advantage of a Sonogashira coupling to build up the C1-C8a bond of the isoquinoline skeleton and a Ti-catalyzed intramolecular hydroamination of an alkyne to close the heterocyclic ring.

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