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148344-30-3

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148344-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148344-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,3,4 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 148344-30:
(8*1)+(7*4)+(6*8)+(5*3)+(4*4)+(3*4)+(2*3)+(1*0)=133
133 % 10 = 3
So 148344-30-3 is a valid CAS Registry Number.

148344-30-3Relevant articles and documents

New amidino-benzimidazolyl derivatives of tylosin and desmycosin

Hranjec, Marijana,Starcevic, Kristina,Zamola, Branimir,Mutak, Stjepan,Derek, Marko,Karminski-Zamola, Grace

, p. 308 - 314 (2007/10/03)

New amidino-benzimidazolyl derivatives of antibiotics tylosin and desmycosin are prepared in the reaction of corresponding amidino-substituted o-phenylendiamine with tylosin respectively desmyicosin on the 20-C aldehyde group. The reaction was carried out in absolute ethanol in the presence of p-benzoquinone. On this way are prepared: 20-[5-(N-isopropylamidino)-2-benzimidazolyl]tylosin hydrochloride 9, 20-[5-(2-imidazolinyl)-2-benzimidazolyl]tylosin hydrochloride 10, 20-[5-(N-morpholinylamidino)-2-benzimidazolyl]tylosin hydrochloride 11, 20-[5-(N-isopropylamidino)-2-benzimidazolyl]desmycosin hydrochloride 12, 20-[5-(2-imidazolinyl)-2-benzimidazolyl]desmycosin hydrochloride 13, 20-[5-(N-morpholinylamidino)-2-benzimidazolyl]desmycosin hydrochloride 14. Their antimicrobial activity was tested on a series of microorganisms.

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