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(2R,3R,4R)-3-C-(hydroxymethyl)-3,3-O-isopropylidene-2-methoxy-2-oxo-1,2-oxaphospholane-3,4-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90302-23-1

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90302-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90302-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,0 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90302-23:
(7*9)+(6*0)+(5*3)+(4*0)+(3*2)+(2*2)+(1*3)=91
91 % 10 = 1
So 90302-23-1 is a valid CAS Registry Number.

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