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99842-63-4

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99842-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99842-63-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99842-63:
(7*9)+(6*9)+(5*8)+(4*4)+(3*2)+(2*6)+(1*3)=194
194 % 10 = 4
So 99842-63-4 is a valid CAS Registry Number.

99842-63-4Downstream Products

99842-63-4Relevant articles and documents

A correlative IR, MS, 1H, 13C and 15 NMR and theoretical study of 4-arylthiazol-2(3H)-ones

Pihlaja, Kalevi,Ovcharenko, Vladimir,Kolehmainen, Erkki,Laihia, Katri,Fabian, Walter M.F.,Dehne, Heinz,Perjessy, Alexander,Kleist, Marion,Teller, Joachim,Sustekova, Zora

, p. 329 - 336 (2007/10/03)

Sixteen 4-arylthiazol-2(3H)-ones (3) were synthesised by cyclisation of α-thiocyanatoacetophenones (1) in acid solution. They appear to prefer greatly the oxo tautomeric forms. In CCI4 solution an equilibrium between the free C=O bond and a "di

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