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95690-68-9

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95690-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95690-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,6,9 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 95690-68:
(7*9)+(6*5)+(5*6)+(4*9)+(3*0)+(2*6)+(1*8)=179
179 % 10 = 9
So 95690-68-9 is a valid CAS Registry Number.

95690-68-9Relevant articles and documents

Synthesis of 3- and 4-(ω-Phenylalkyl)catechols, the Sap Exuded from a Burmese Lac Tree, Melanorrhoea Usitate

Miyakoshi, Tetsuo,Du, Yumin,Kumanotani, Ju

, p. 1054 - 1056 (2007/10/02)

The presence of 3- and 4-(ω-phenylalkyl)catechols in Burmese lac has been confirmed by their synthesis. 3-(ω-Phenylalkyl)veratroles were synthesized by alkylation of ω-phenylalkyl bromide with aryl lithium derived from veratrole. 4-(ω-phenylalkyl)veratroles were similarly obtained from w-phenylalkyl bromide and 4-bromoveratrole.Demethylation of 3- and 4-(ω-phenylalkyl)veratroles with boron tribromide gave the corresponding catechols in good yields.

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