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3-azido-3-deoxy-1,2-O-isopropylidene-α-D-xylo-pentodialdo-1,4-furanose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28072-61-9

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28072-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28072-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,7 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28072-61:
(7*2)+(6*8)+(5*0)+(4*7)+(3*2)+(2*6)+(1*1)=109
109 % 10 = 9
So 28072-61-9 is a valid CAS Registry Number.

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