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104183-69-9

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104183-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104183-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,8 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 104183-69:
(8*1)+(7*0)+(6*4)+(5*1)+(4*8)+(3*3)+(2*6)+(1*9)=99
99 % 10 = 9
So 104183-69-9 is a valid CAS Registry Number.

104183-69-9Downstream Products

104183-69-9Relevant articles and documents

Reaction of Diazocompounds and Hydrazines on Indolin-2-one Derivatives

Abdel-Latif, F. F.,Regaila, H. A. A.,Gohar, A. K. M. N.,Mohammed, Y. S.

, p. 775 - 777 (2007/10/02)

Ethyl α-(2-oxo-3-indolinylidene)-α-cyanoacetate (1a) reacts with 1-diazopropane (2a) to give 3,4-disubstitutedquinolin-2-one (3a).However, when the reaction is carried out in the presence of triethylamine, a furoquinoline derivative (4) is obtained

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