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75907-21-0

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75907-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75907-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,0 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75907-21:
(7*7)+(6*5)+(5*9)+(4*0)+(3*7)+(2*2)+(1*1)=150
150 % 10 = 0
So 75907-21-0 is a valid CAS Registry Number.

75907-21-0Relevant articles and documents

TRANSMISSION OF SUBSTITUENT EFFECTS IN PARA SUBSTITUTED BENZOYLMALONATE DERIVATIVES

Bankowska, Zofia,Zadrozna, Irmina,Bochenska, Joanna

, p. 461 - 467 (2007/10/02)

Acidity constants and enol contents of ethyl benzoylmalonate and its para derivatives (CH3O, CH3, Cl, CN, NO2) were determined in 75 vol.percent ethanol-water solutions.Acidity constants of keto and enol forms were calculated and correlated with substituents constants ?p.IR spectra and enol contents were also determined in CCl4 solutions.

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