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1245505-00-3

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1245505-00-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1245505-00-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,5,0 and 5 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1245505-00:
(9*1)+(8*2)+(7*4)+(6*5)+(5*5)+(4*0)+(3*5)+(2*0)+(1*0)=123
123 % 10 = 3
So 1245505-00-3 is a valid CAS Registry Number.

1245505-00-3Relevant articles and documents

Potassium tert-butoxide catalyzed synthesis and characterization of novel 3-aryl-3-(phenylthio)-1-(thiophen-3-yl)propan-1-one derivatives

Budak, Yakup

scheme or table, p. 341 - 344 (2012/04/23)

A series of thiophenyl-containing 3-thiophene derivatives (4a-4i) were prepared via the reaction of chalcone-analogua compounds (3a-3i) and thiophenol in the presence of catalytic amount of KOBu-t in CH2Cl2 with moderate to high yiel

Preparation of diethyl malonate adducts from chalcone analogs containing A thienyl ring

Budak, Yakup,Burcu Guerdere,Kececi, Meryem,Ceylan, Mustafa

experimental part, p. 85 - 91 (2010/12/19)

Nine chalcone-diethyl malonate derivatives (4a-i) were prepared by the reaction of chalcone derivatives (3a-i) with diethyl malonate in the presence of a catalytic amount of KOt-Bu in CHJCIJ in good to excellent yields. The products were characterized by FTIR, 1H-NMR, 13C-NMR and elemental analyses.

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