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(5R)-3,3-dimethyl-4t,7-dioxo-6t-(2-phenoxy-acetylamino)-5-phenyl-(5rH)-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2c-carboxylic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55771-82-9

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55771-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55771-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,7 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55771-82:
(7*5)+(6*5)+(5*7)+(4*7)+(3*1)+(2*8)+(1*2)=149
149 % 10 = 9
So 55771-82-9 is a valid CAS Registry Number.

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