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Acetic acid (2S,3R,4S,5R,6R)-4-acetoxy-5-hydroxy-6-hydroxymethyl-2-phenoxy-tetrahydro-pyran-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23740-56-9

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23740-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23740-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,4 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23740-56:
(7*2)+(6*3)+(5*7)+(4*4)+(3*0)+(2*5)+(1*6)=99
99 % 10 = 9
So 23740-56-9 is a valid CAS Registry Number.

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