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(1R,2R,4R,5S)-4-Bromo-7-oxo-6-oxa-bicyclo[3.2.1]octane-2-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90027-07-9

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90027-07-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90027-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,2 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90027-07:
(7*9)+(6*0)+(5*0)+(4*2)+(3*7)+(2*0)+(1*7)=99
99 % 10 = 9
So 90027-07-9 is a valid CAS Registry Number.

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