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857751-09-8

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857751-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857751-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,5 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 857751-09:
(8*8)+(7*5)+(6*7)+(5*7)+(4*5)+(3*1)+(2*0)+(1*9)=208
208 % 10 = 8
So 857751-09-8 is a valid CAS Registry Number.

857751-09-8Upstream product

857751-09-8Downstream Products

857751-09-8Relevant academic research and scientific papers

Solvent-free preparation of arylaminotetrazole derivatives using aluminum(III) hydrogensulfate as an effective catalyst

Khamooshi, Ferydoon,Modarresi-Alam, Ali Reza

, p. 892 - 896 (2010)

An efficient and simple method for the preparation of 5-arylamino-1H- tetrazole and 1-aryl-5-amino-1H-tetrazole derivatives is reported using aluminum(III) hydrogensulfate (Al(HSO4)3) as an effective heterogeneous catalyst from secon

CoFe2O4 nanoparticles as a magnetically recoverable and reusable catalyst for the synthesis of arylaminotetrazoles and 5-aryloxytetrazoles

Bahari, Siavash,Rezaei, Akbar

, p. 65 - 68 (2014/03/21)

An efficient and direct method is described for the synthesis of 5-arylamino-1H-tetrazoles (Isomer A) or 1-aryl-5-amino-1Htetrazoles (Isomer B) and 5-aryloxytetrazoles from arylcyanamides or cynates with nano CoFe 2O4 as a reusable a

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