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(6S,7S)-7-((R)-2-Amino-2-phenyl-acetylamino)-3-ethylsulfanyl-8-oxo-4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

104128-13-4

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104128-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104128-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,2 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 104128-13:
(8*1)+(7*0)+(6*4)+(5*1)+(4*2)+(3*8)+(2*1)+(1*3)=74
74 % 10 = 4
So 104128-13-4 is a valid CAS Registry Number.

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