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(2R,3S,5R)-5-((2S,3S,5R)-3,5-Dimethyl-6-oxo-tetrahydro-pyran-2-yl)-3-methyl-tetrahydro-furan-2-carbothioic acid S-pyridin-2-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73991-90-9

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73991-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73991-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,9 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73991-90:
(7*7)+(6*3)+(5*9)+(4*9)+(3*1)+(2*9)+(1*0)=169
169 % 10 = 9
So 73991-90-9 is a valid CAS Registry Number.

73991-90-9Upstream product

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