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(5R,6R)-6-Ethyl-7-oxo-3-(2-{3-[((R)-2,2,5,5-tetramethyl-[1,3]dioxane-4-carbonyl)-amino]-propionylamino}-ethylsulfanyl)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

85431-74-9

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85431-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85431-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,3 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 85431-74:
(7*8)+(6*5)+(5*4)+(4*3)+(3*1)+(2*7)+(1*4)=139
139 % 10 = 9
So 85431-74-9 is a valid CAS Registry Number.

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