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(R)-3-Chloromethyl-2-[(1R,5R)-3-(chloro-phenyl-methyl)-7-oxo-4-thia-2,6-diaza-bicyclo[3.2.0]hept-2-en-6-yl]-but-3-enoic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80405-30-7

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80405-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80405-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,0 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80405-30:
(7*8)+(6*0)+(5*4)+(4*0)+(3*5)+(2*3)+(1*0)=97
97 % 10 = 7
So 80405-30-7 is a valid CAS Registry Number.

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