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2-Cyclopenten-1-one, 4-hydroxy-5-methylene-, (4R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

652157-40-9

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652157-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 652157-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,2,1,5 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 652157-40:
(8*6)+(7*5)+(6*2)+(5*1)+(4*5)+(3*7)+(2*4)+(1*0)=149
149 % 10 = 9
So 652157-40-9 is a valid CAS Registry Number.

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652157-40-9Downstream Products

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