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4-Bromo-benzoic acid (1S,2R,4aR,8aS)-2,4a,5,8a-tetramethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28058-99-3

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28058-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28058-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,5 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28058-99:
(7*2)+(6*8)+(5*0)+(4*5)+(3*8)+(2*9)+(1*9)=133
133 % 10 = 3
So 28058-99-3 is a valid CAS Registry Number.

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