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(3aR,6aR)-(3-oxo-hexahydrocyclopenta[b]furan-3a-yl)-carbamic acid 9H-fluoren-9-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

443761-46-4

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443761-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443761-46-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,7,6 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 443761-46:
(8*4)+(7*4)+(6*3)+(5*7)+(4*6)+(3*1)+(2*4)+(1*6)=154
154 % 10 = 4
So 443761-46-4 is a valid CAS Registry Number.

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