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2-Butanone, 1-bromo-3-[(1,1-dimethylethyl)amino]-3-methyl-, hydrobromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21763-43-9

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21763-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21763-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,6 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 21763-43:
(7*2)+(6*1)+(5*7)+(4*6)+(3*3)+(2*4)+(1*3)=99
99 % 10 = 9
So 21763-43-9 is a valid CAS Registry Number.

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