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21108-74-7

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21108-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21108-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,0 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21108-74:
(7*2)+(6*1)+(5*1)+(4*0)+(3*8)+(2*7)+(1*4)=67
67 % 10 = 7
So 21108-74-7 is a valid CAS Registry Number.

21108-74-7Relevant articles and documents

Synthesis and characterization of some new imidazo [2, 1-a] pyrazolo [3,4-d] thiazoles as potentials fungicide

Mishra, Atma Ram,Srivastava, Vivek,Shahma, Abu

, p. 1457 - 1461 (2013/02/23)

The new cis-3,3a-imidazo[2,1-a]-pyrazolo[3,4-d] thiazoles (11a-1) have been synthesized by refluxing a mixture of 2-(p-ethoxy arylidene-5,6-dehydro imidazo [2,1-a]-thiazolidene-3-one(11af) with hydrazine hydrate or 2,4-di-nitro phenyl hydrazine and anhydr

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