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722-91-8

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722-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 722-91-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 722-91:
(5*7)+(4*2)+(3*2)+(2*9)+(1*1)=68
68 % 10 = 8
So 722-91-8 is a valid CAS Registry Number.

722-91-8Relevant articles and documents

Mechanisms for the Uncatalyzed and Hydrogen Ion Catalyzed Reactions of a Simple Quinone Methide with Solvent and Halide Ions

Richard, John P.

, p. 4588 - 4595 (1991)

The quinone methide 4-[bis(trifluoromethyl)methylene]cyclohexa-2,5-dienone (1) has been prepared in situ from the solvolysis of 4-MeOArC(CF3)2OTs in 50:50 (v/v) trifluoroethanol/water, and its reactions with solvent and halide ions h

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