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(1S,3aR,4S,5S,7aS)-1-Ethyl-5-{(1E,3E)-4-[(2R,3S,6R)-6-((R)-1-methoxycarbonyl-ethyl)-3-methyl-tetrahydro-pyran-2-yl]-hexa-1,3-dienyl}-2,3,3a,4,5,7a-hexahydro-1H-indene-4-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80109-57-5

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80109-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80109-57-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,1,0 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80109-57:
(7*8)+(6*0)+(5*1)+(4*0)+(3*9)+(2*5)+(1*7)=105
105 % 10 = 5
So 80109-57-5 is a valid CAS Registry Number.

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