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22194-21-4

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22194-21-4 Usage

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Check Digit Verification of cas no

The CAS Registry Mumber 22194-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,9 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22194-21:
(7*2)+(6*2)+(5*1)+(4*9)+(3*4)+(2*2)+(1*1)=84
84 % 10 = 4
So 22194-21-4 is a valid CAS Registry Number.

22194-21-4Relevant articles and documents

Improvements in or relating to contrast agents

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, (2008/06/13)

Combined preparations comprising an injectable gas dispersion and a coadministrable diffusible component which is capable of inward diffusion into the dispersed gas so as to promote temporary growth of the gas in vivo, the preparations being for use as contrast agents in ultrasound cardiac studies of patients who have undergone physical exercise-induced stress in order to promote vasodilatation.

Praeparative Enantiomerentrennung des Narkosegases Enfluran durch Einschluss-Gaschromatographie

Schurig, Volker,Grosenick, Heiko,Green, Bernard S.

, p. 1690 - 1691 (2007/10/02)

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Deuterated 1,1-difluoro-2,2-dihaloethyl difluoromethyl ethers

-

, (2008/06/13)

Deuterated halo ethers useful as anesthetics and having lower toxicity than undeuterated analogues further including compositions, and methods of use.

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