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220506-68-3

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220506-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220506-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,5,0 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 220506-68:
(8*2)+(7*2)+(6*0)+(5*5)+(4*0)+(3*6)+(2*6)+(1*8)=93
93 % 10 = 3
So 220506-68-3 is a valid CAS Registry Number.

220506-68-3Downstream Products

220506-68-3Relevant articles and documents

Preparation of new 3-hydroxyquinoline alkaloid, jineol and its ether derivatives using directed ortho-lithiation of chloroquinoline as the key step

Tagawa, Yoshinobu,Yamashita, Hiroyuki,Nomura, Manami,Goto, Yoshinobu

, p. 2379 - 2387 (2007/10/03)

A new alkaloid, jineol (3,8-dihydroxyquinoline) was conveniently prepared employing directed ortho-lithiation of chloroquinoline for 3-position of quinoline ring. Moreover, the ether derivatives of jineol were obtained by the reaction of jineol with alkyl

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