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4-methyl-2-(tetrahydro-pyran-2-yloxymethyl)-3,6-dihydro-2H-pyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

289472-95-3

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289472-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289472-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,4,7 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 289472-95:
(8*2)+(7*8)+(6*9)+(5*4)+(4*7)+(3*2)+(2*9)+(1*5)=203
203 % 10 = 3
So 289472-95-3 is a valid CAS Registry Number.

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