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187264-04-6

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187264-04-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187264-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,2,6 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187264-04:
(8*1)+(7*8)+(6*7)+(5*2)+(4*6)+(3*4)+(2*0)+(1*4)=156
156 % 10 = 6
So 187264-04-6 is a valid CAS Registry Number.

187264-04-6Downstream Products

187264-04-6Relevant articles and documents

A general synthetic route for 1-substituted 4-oxygenated β-carbolines (synthetic studies on indoles and related compounds 41)

Suzuki, Hideharu,Iwata, Chiemi,Sakurai, Katsumi,Tokumoto, Kazuhiko,Takahashi, Hiroko,Hanada, Masako,Yokoyama, Yuusaku,Murakami, Yasuoki

, p. 1593 - 1606 (1997)

A new synthetic route for two naturally occurring 1-substituted 4-methoxy-β-carbolines (1b, c) is described. This synthetic route involves elaboration of the ester groups in ethyl indole-2-carboxylate (4b) and its 1-benzyl derivative (4a), C3-s

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