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tert-butyl N-[(tert-butoxy)carbonyl]-N-(5-formylpyridin-2-yl)carbamate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

666721-10-4

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  • (5-Formyl-2-pyridinyl)imidodicarbonic acid bis(1,1-dimethylethyl)ester

    Cas No: 666721-10-4

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666721-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 666721-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,7,2 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 666721-10:
(8*6)+(7*6)+(6*6)+(5*7)+(4*2)+(3*1)+(2*1)+(1*0)=174
174 % 10 = 4
So 666721-10-4 is a valid CAS Registry Number.

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