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4H-1-Benzopyran-4-one, 6-chloro-3-hydroxy-2-(5-methyl-2-thienyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

249288-13-9

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249288-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 249288-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,9,2,8 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 249288-13:
(8*2)+(7*4)+(6*9)+(5*2)+(4*8)+(3*8)+(2*1)+(1*3)=169
169 % 10 = 9
So 249288-13-9 is a valid CAS Registry Number.

249288-13-9Upstream product

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