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(4R,5R,7aS)-3-Oxo-5,6-diphenyl-2,3,3a,4,5,7a-hexahydro-1H-isoindole-4-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

39549-98-9

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39549-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39549-98-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,4 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 39549-98:
(7*3)+(6*9)+(5*5)+(4*4)+(3*9)+(2*9)+(1*8)=169
169 % 10 = 9
So 39549-98-9 is a valid CAS Registry Number.

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