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61561-47-5

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61561-47-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61561-47-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,5,6 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 61561-47:
(7*6)+(6*1)+(5*5)+(4*6)+(3*1)+(2*4)+(1*7)=115
115 % 10 = 5
So 61561-47-5 is a valid CAS Registry Number.

61561-47-5Downstream Products

61561-47-5Relevant articles and documents

7[(2-Hydroxyamino-2-disubstituted phenyl-acetamido)-]3-heterocyclicthio-3-cephem-4-carboxylic acids

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, (2008/06/13)

The new 7-(α,α-disubstituted-acetamido)-3-substituted-3-cephem-4-carboxylic acid of the present invention is represented by the following formula: STR1 wherein R1 is hydrogen, halogen, hydroxy, nitro, lower alkoxy or acylamino, R2 is hydrogen or acyl and R3 is lower alkanoyloxy, carbamoyloxy which may have lower alkyl, aryl or protective group for amino, or a heterocyclicthio which may have lower alkyl, aryl or protective group for amino, or a hetero- which may have lower alkyl.

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