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121359-31-7

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121359-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121359-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,5 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 121359-31:
(8*1)+(7*2)+(6*1)+(5*3)+(4*5)+(3*9)+(2*3)+(1*1)=97
97 % 10 = 7
So 121359-31-7 is a valid CAS Registry Number.

121359-31-7Downstream Products

121359-31-7Relevant articles and documents

Synthesis and Structure of 2,2'-Dihydroxybenzophenones and 1,8-Dihydroxyfluorenones

Sharma, Vijay,Bachand, Benoit,Simard, Michel,Wuest, James D.

, p. 7785 - 7792 (2007/10/02)

Derivatives of 2,2'-dihydroxybenzophenone and 1,8-dihydroxyfluorenone are interesting because their structures juxtapose a carbonyl group and two hydroxyl groups, thereby permitting them to be used to study the double electrophilic activation of carbonyl

PHOTOCHEMICAL REACTIVITY OF SPIRODIENONE OBTAINED BY OXIDATION OF BIS(2-HYDROXY-3,5-DI-T-BUTYLPHENYL)METHANONE

Izuoka, Akira,Miya, Shinji,Sugawara, Tadashi

, p. 5673 - 5676 (2007/10/02)

Bis(2-hydroxy-3,5-di-t-butylphenyl)methanone (1) was found to give spirodienone derivative (3) under oxidative condition.UV irradiation of 3 afforded dibenzofuran derivative (5) through an α-fission of cyclohexa-2,4-dienone, accompanied by a loss of CO2.

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