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t-butyl 7(R)-(2,2-dimethyl-3-t-butoxycarbonyl-4(R)-phenyl-imidazolid-5-on-1-yl)-3-methyl-2-oxo-(6R)-cephem-4-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73933-06-9

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73933-06-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73933-06-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,3 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73933-06:
(7*7)+(6*3)+(5*9)+(4*3)+(3*3)+(2*0)+(1*6)=139
139 % 10 = 9
So 73933-06-9 is a valid CAS Registry Number.

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