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(3aR,5S,5aS,10bS,10cS)-5-Ethyl-1,2,3a,4,5,5a,10b,10c-octahydro-6-oxa-cyclopenta[c]fluoren-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73961-70-3

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73961-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73961-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,6 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73961-70:
(7*7)+(6*3)+(5*9)+(4*6)+(3*1)+(2*7)+(1*0)=153
153 % 10 = 3
So 73961-70-3 is a valid CAS Registry Number.

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