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922173-25-9

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922173-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 922173-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,2,1,7 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 922173-25:
(8*9)+(7*2)+(6*2)+(5*1)+(4*7)+(3*3)+(2*2)+(1*5)=149
149 % 10 = 9
So 922173-25-9 is a valid CAS Registry Number.

922173-25-9Relevant articles and documents

Protecting groups for glucuronic acid: Application to the synthesis of new paclitaxel (taxol) derivatives

El Alaoui, Abdessamad,Schmidt, Frederic,Monneret, Claude,Florent, Jean-Claude

, p. 9628 - 9636 (2006)

To prepare two new glucuronide conjugates, allyl ester and allyl carbonates were used as protecting groups of the glucuronic moiety. In this way, an aniline glycosyl carbamate spacer linked to the 2′-OH of paclitaxel was obtained. By using palladium chemistry, an efficient one-step removal of all the allyl groups at the end of the synthesis afforded the desired compounds in good yields.

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