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91421-60-2

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91421-60-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91421-60-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,2 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91421-60:
(7*9)+(6*1)+(5*4)+(4*2)+(3*1)+(2*6)+(1*0)=112
112 % 10 = 2
So 91421-60-2 is a valid CAS Registry Number.

91421-60-2Relevant articles and documents

Synthesis of 3-Demethoxyerythratidinone via Formation of a Dibenzazonine Alkaloid

Tanaka, Hitoshi,Shibata, Masayoshi,Ito, Kazuo

, p. 1578 - 1582 (2007/10/02)

3-Demethoxyerythratidinone (1) was synthesized via the dibenzazonine base (7), which was prepared by irradiation of the phenolic compound (5) in an alkaline solution, followed by reduction of the resulting photocyclization product (6) with diborane.We inv

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