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332941-23-8

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332941-23-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 332941-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,2,9,4 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 332941-23:
(8*3)+(7*3)+(6*2)+(5*9)+(4*4)+(3*1)+(2*2)+(1*3)=128
128 % 10 = 8
So 332941-23-8 is a valid CAS Registry Number.

332941-23-8Downstream Products

332941-23-8Relevant articles and documents

Controlled-length efficient synthesis of heterobifunctionalized oligo ethylene glycols

Zona, Cristiano,D'Orazio, Giuseppe,La Ferla, Barbara

, p. 709 - 712 (2013)

A set of heterobifunctional oligo ethylene glycols have been synthesized in a straightforward and stepwise manner starting from inexpensive, commercially available, tetraethylene glycol. Introduction of terminal allyl moieties followed by reductive ozonolysis allowed controlled elongation. Mono-allyl derivatives were used for the elongation with a functionalized moiety and for successive introduction of different functional groups on the chain terminal. Georg Thieme Verlag Stuttgart - New York.

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