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methyl 2-tert-butyl-5-{[(4-fluorophenyl)sulfonyl]amino}naphtho[1,2-b]furan-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

421580-17-8

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  • methyl 2-tert-butyl-5-{[(4-fluorophenyl)sulfonyl]amino}naphtho[1,2-b]furan-3-carboxylate

    Cas No: 421580-17-8

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421580-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 421580-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,1,5,8 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 421580-17:
(8*4)+(7*2)+(6*1)+(5*5)+(4*8)+(3*0)+(2*1)+(1*7)=118
118 % 10 = 8
So 421580-17-8 is a valid CAS Registry Number.

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