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2,2-dimethyl-4-(4'-hydroxylphenyl)chroman is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71670-80-9

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71670-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71670-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,7 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71670-80:
(7*7)+(6*1)+(5*6)+(4*7)+(3*0)+(2*8)+(1*0)=129
129 % 10 = 9
So 71670-80-9 is a valid CAS Registry Number.

71670-80-9Downstream Products

71670-80-9Relevant academic research and scientific papers

Three-component Barbier allylation, Friedel-Crafts alkylation and intramolecular hydroalkoxylation in an ionic liquid for the direct synthesis of 4-arylchromans

Zhao, Xian-Liang,Liu, Li,Chen, Yong-Jun,Wang, Dong

, p. 1357 - 1364 (2007)

4-Arylchromans can be synthesized directly using a one-pot Barbier allylation, Friedel-Crafts alkylation and intramolecular hydroalkoxylation of aromatic aldehydes, allylbromides and phenols in an ionic liquid (BPyX-SnCl 2·2H2O). The

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