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123716-04-1

123716-04-1

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123716-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123716-04-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,1 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 123716-04:
(8*1)+(7*2)+(6*3)+(5*7)+(4*1)+(3*6)+(2*0)+(1*4)=101
101 % 10 = 1
So 123716-04-1 is a valid CAS Registry Number.

123716-04-1Downstream Products

123716-04-1Relevant articles and documents

Novel heterocycles from 5-methyldibenz[b,f]azocin-6,12-dione and its derivatives

Letcher, Roy M.,Kwok, Nai-Chiu,Lo, Wing-Hong,Ng, Kai-Wing

, p. 1715 - 1719 (2007/10/03)

The multifunctional dibenzazocine 2 and its benzylidene derivative 3 have been shown to take part in a variety of rearrangement reactions to produce novel heterocycles. Heterochrysenes 5 and 6 are formed from 3 on treatment with hydroxylamine and ethylamine respectively. The novel spiro-compounds 7 and 9 are obtained from 2 with aniline (at 120 °C) and NaIO4 (or SeO2) oxidation respectively, and acid and amine treatment of 2 gives the isocoumarin 10 and isoquinolines 8(a-c) respectively. Alkaline hydrolysis of 2 gives the deoxybenzoin 11 from which 5,7,8(a-c), 9 and 10 are also obtainable leading to mechanistic suggestions for the formation of these compounds. Treatment of 10 with Lawesson's reagent gives the thionoisocoumarin 13.

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