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1-benzo[b]carbazol-5-yl-ethanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21064-53-9

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21064-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21064-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,6 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 21064-53:
(7*2)+(6*1)+(5*0)+(4*6)+(3*4)+(2*5)+(1*3)=69
69 % 10 = 9
So 21064-53-9 is a valid CAS Registry Number.

21064-53-9Upstream product

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