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333311-80-1

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333311-80-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 333311-80-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,3,1 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 333311-80:
(8*3)+(7*3)+(6*3)+(5*3)+(4*1)+(3*1)+(2*8)+(1*0)=101
101 % 10 = 1
So 333311-80-1 is a valid CAS Registry Number.

333311-80-1Relevant articles and documents

Synthesis of some functionalized arylaminomethyl-1,2,4-triazoles, 1,3,4-oxa- and thiadiazoles

Abdel-Aal, Mohammed T.,El-Sayed,Aleem, A. H. Abdel,El Ashry

, p. 788 - 792 (2007/10/03)

Thiosemicarbazides undergo different cyclization reactions to give five membered heterocycles. The product of cyclization depends on the reagent used. This cyclization leads to the formation of 1,3,4-oxadiazole, 1,3,4-thiadiazole and 1,2,4-triazole derivatives. The reaction of thioglycolyl hydrazide derivatives of the 1,2,4-triazole compounds was discussed. The activity against hepatitis B virus (HBV) has been tested.

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