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

81348-23-4

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81348-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81348-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,4 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81348-23:
(7*8)+(6*1)+(5*3)+(4*4)+(3*8)+(2*2)+(1*3)=124
124 % 10 = 4
So 81348-23-4 is a valid CAS Registry Number.

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