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4133-49-7

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4133-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4133-49-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,3 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4133-49:
(6*4)+(5*1)+(4*3)+(3*3)+(2*4)+(1*9)=67
67 % 10 = 7
So 4133-49-7 is a valid CAS Registry Number.

4133-49-7Relevant articles and documents

Imidazole H-2 agonists. Synthesis and activity of 2-(2-amino-4-imidazolyl)ethylamine (2-aminohistamine) dihydrochloride

Vitali,Impicciatore,Plazzi,Bordi,Vitto

, p. 70 - 80 (2007/10/02)

The syntheses of 2-(2-amino-4-imidazolyl)ethylamine (2-aminohistamine) dihydrochloride and of the corresponding 5-methyl derivative are described. The histamine-like properties of the two salts are tested in vitro on isolated ileum and gastric fundus of guinea-pig. The results are discussed and compared with those of other H2-agonists.

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