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(3R,3aS,6S,9aS,9bS)-2,3,3a,9,9a,9b-Hexahydro-3-hydroxy-3-(hydroxymethyl)-6-(3-chloro-2-buten-1-yl)-3a,6-dimethyl-1H-benzindene-5,7-(4H,8H)-dione 3,1'-O-Isopropylidene Acetal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128802-53-9

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128802-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128802-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,0 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128802-53:
(8*1)+(7*2)+(6*8)+(5*8)+(4*0)+(3*2)+(2*5)+(1*3)=129
129 % 10 = 9
So 128802-53-9 is a valid CAS Registry Number.

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