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5-(m-Hydroxy-o-methylphenyl)-penten-1 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

51438-99-4

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51438-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51438-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,3 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51438-99:
(7*5)+(6*1)+(5*4)+(4*3)+(3*8)+(2*9)+(1*9)=124
124 % 10 = 4
So 51438-99-4 is a valid CAS Registry Number.

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