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2-Chlor-7-methoxy-tropon is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21022-77-5

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21022-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21022-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,2 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21022-77:
(7*2)+(6*1)+(5*0)+(4*2)+(3*2)+(2*7)+(1*7)=55
55 % 10 = 5
So 21022-77-5 is a valid CAS Registry Number.

21022-77-5Upstream product

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