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(8aS)-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalene-1-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139561-92-5

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139561-92-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139561-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,6 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139561-92:
(8*1)+(7*3)+(6*9)+(5*5)+(4*6)+(3*1)+(2*9)+(1*2)=155
155 % 10 = 5
So 139561-92-5 is a valid CAS Registry Number.

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