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Ethyl 3,3-bis(tert-butoxycarbonyl)-4,5-difluoro-2,3-dihydro-1-methyl-7-oxo-1H,7H-pyrido<3,2,1-i,j>cinnoline-8-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

147694-55-1

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147694-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147694-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,6,9 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 147694-55:
(8*1)+(7*4)+(6*7)+(5*6)+(4*9)+(3*4)+(2*5)+(1*5)=171
171 % 10 = 1
So 147694-55-1 is a valid CAS Registry Number.

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