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Acetic acid (3aR,4aR,8aS,9R,9aR)-2,7-diphenyl-3a,4a,5,8a,9,9a-hexahydro-3,4,6,8-tetraoxa-1-aza-cyclopenta[b]naphthalen-9-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81347-97-9

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81347-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81347-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,4 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81347-97:
(7*8)+(6*1)+(5*3)+(4*4)+(3*7)+(2*9)+(1*7)=139
139 % 10 = 9
So 81347-97-9 is a valid CAS Registry Number.

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