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449814-54-4

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449814-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 449814-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,8,1 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 449814-54:
(8*4)+(7*4)+(6*9)+(5*8)+(4*1)+(3*4)+(2*5)+(1*4)=184
184 % 10 = 4
So 449814-54-4 is a valid CAS Registry Number.

449814-54-4Upstream product

449814-54-4Downstream Products

449814-54-4Relevant articles and documents

Novel synthesis of cis-nickel(II) 3-alkylimino-3-alkyl(or aryl)thio-1-arylpropenethiolates and their application to the preparation of 5-aryl-3-(arylthio)isothiazoles

Lee, Dong Joon,Kim, Bo Sung,Kim, Kyongtae

, p. 5375 - 5377 (2002)

Treatment of (E)-3-alkylamino-3-alkylthio-1-(thioaroyl)propenes 2 with Ni(OAc)2·4H2O in EtOH at room temperature gave cis-Ni(II)-3-alkylimino-3-alkylthio-1-aryl- propenethiolates 3 in excellent yields. Heating a mixture of 3 and alkyl- or arylthiols in 1,2-dichloroethane gave new ketene S,N-acetals 4 having new alkyl- or arylthio groups depending on the thiols employed. For the first time, 5-aryl-3-(arylthio)isothiazoles were prepared from 2 with an arylthio group according to a known procedure.

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