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186690-18-6

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186690-18-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186690-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,6,9 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 186690-18:
(8*1)+(7*8)+(6*6)+(5*6)+(4*9)+(3*0)+(2*1)+(1*8)=176
176 % 10 = 6
So 186690-18-6 is a valid CAS Registry Number.

186690-18-6Relevant articles and documents

Structure elucidation and synthesis of a metabolite of antiinflammatory drug DUP 697

Nakamura, Shizuo,Kondo, Mitsuyoshi,Goto, Kiyoto,Nakamura, Mitsuhiro,Tsuda, Yoshiaki,Shishido, Kozo

, p. 2747 - 2755 (2007/10/03)

Structure of the O-glucuronide (2), one of the metabolites of antiinflammatory drug DUP 697 (1), has been elucidated on the basis of spectral data and a total synthesis of it has been accomplished. Since the synthetic route to 2 is an unambiguous one, completion of the synthesis established the assigned structure.

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