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(2S,5R,6R)-6-Ethoxythiocarbonylsulfanyl-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75722-91-7

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75722-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75722-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75722-91:
(7*7)+(6*5)+(5*7)+(4*2)+(3*2)+(2*9)+(1*1)=147
147 % 10 = 7
So 75722-91-7 is a valid CAS Registry Number.

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