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5,7-dimethoxy-4-methyl-2(1H)-quinolinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

219552-41-7

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219552-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219552-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,5 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 219552-41:
(8*2)+(7*1)+(6*9)+(5*5)+(4*5)+(3*2)+(2*4)+(1*1)=137
137 % 10 = 7
So 219552-41-7 is a valid CAS Registry Number.

219552-41-7Upstream product

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