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90433-08-2

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90433-08-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90433-08-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,3 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90433-08:
(7*9)+(6*0)+(5*4)+(4*3)+(3*3)+(2*0)+(1*8)=112
112 % 10 = 2
So 90433-08-2 is a valid CAS Registry Number.

90433-08-2Upstream product

90433-08-2Relevant articles and documents

Urea mediated 5-substituted-1H-tetrazole via [3?+?2] cycloaddition of nitriles and sodium azide

Yakambram,Jaya Shree,Srinivasula Reddy,Satyanarayana,Naveen,Bandichhor, Rakeshwar

supporting information, p. 445 - 449 (2018/01/03)

A simple, new and convenient metal free procedure for the synthesis of 5-substituted 1H-tetrazoles using various nitriles and sodium azide in the presence of urea and acetic acid with good to high yields is developed. The reaction plausibly proceeds through in situ formation of urea azide active complex without toxic and/or expensive metal catalysts.

Facile synthesis of 5-substituted 1H-tetrazoles catalyzed by tetrabutylammonium hydrogen sulfate in water

Wang, Zengtao,Liu, Zhiguo,Cheon, Seung Hoon

, p. 198 - 202 (2015/03/03)

Facile synthesis of 5-substituted 1H-tetrazoles was achieved by treating nitriles with NaN3 in water or toluene in the presence of tetrabutylammoniumhydrogen sulfate (TBAHS). The reaction could be carried out in water as well as in toluene. The

PHARMACEUTICAL PREPARATIONS COMPRISING INSULIN, ZINC IONS AND A ZINC-BINDING LIGAND

-

Page/Page column 327, (2008/06/13)

Novel preparations comprising branched ligands for the HisB10 Zn2+ sites of the R-state insulin hexamer. The preparations have a prolonged action designed for flexible injection regimes.

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