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(4R,5S,6R)-4-tert-butyldimethylsilyloxy-6-tert-butyldimethylsilyloxymethyl-5-methyltetrahydropyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

515868-84-5

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515868-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 515868-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,5,8,6 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 515868-84:
(8*5)+(7*1)+(6*5)+(5*8)+(4*6)+(3*8)+(2*8)+(1*4)=185
185 % 10 = 5
So 515868-84-5 is a valid CAS Registry Number.

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