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1-cyclopentanol-1,2,2,5,5-d5 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42403-26-9

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42403-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42403-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,4,0 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42403-26:
(7*4)+(6*2)+(5*4)+(4*0)+(3*3)+(2*2)+(1*6)=79
79 % 10 = 9
So 42403-26-9 is a valid CAS Registry Number.

42403-26-9Upstream product

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