40570-67-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40570-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,5,7 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40570-67:
(7*4)+(6*0)+(5*5)+(4*7)+(3*0)+(2*6)+(1*7)=100
100 % 10 = 0
So 40570-67-0 is a valid CAS Registry Number.
40570-67-0Relevant articles and documents
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Klosa
, p. 217,220 (1955)
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On the methylation of pyrazolones
Holzer, Wolfgang,Plagens, Brigitte
, p. 455 - 462 (2007/10/03)
Reaction of a series of 1,2-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-ones having a COR substituent (R = Me, Ph, 2-thienyl, CH2CH2Ph, CN = CHPh) in 4-position of the pyrazole ring (tautomer with 4-substituted 5-hydroxy-3-methyl-1-phenyl