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32220-22-7

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32220-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32220-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,2,2 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 32220-22:
(7*3)+(6*2)+(5*2)+(4*2)+(3*0)+(2*2)+(1*2)=57
57 % 10 = 7
So 32220-22-7 is a valid CAS Registry Number.

32220-22-7Upstream product

32220-22-7Relevant articles and documents

Nucleophilic Aromatic Substitution on Tricarbonylchromium-complexed Haloarenes: Synthesis of O-Aryloximes and Their Cyclization to Benzofurans

Alemagna, Andreina,Baldoli, Clara,Buttero, Paola Del,Licandro, Emanuela,Maiorana, Stefano

, p. 192 - 196 (2007/10/02)

A series of O-aryloximes have been prepared from tricarbonylchromium-complexed haloarenes in mild conditions.Title compounds are starting materials for benzofuran synthesis.

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