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Toluene-4-sulfonic acid (1S,2aS,4aR,6aR,6bS)-6-oxo-1,2,2a,4a,5,6,6a,6b-octahydro-cyclopenta[cd]pentalen-1-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78655-76-2

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78655-76-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78655-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,5 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78655-76:
(7*7)+(6*8)+(5*6)+(4*5)+(3*5)+(2*7)+(1*6)=182
182 % 10 = 2
So 78655-76-2 is a valid CAS Registry Number.

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