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71290-80-7

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71290-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71290-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71290-80:
(7*7)+(6*1)+(5*2)+(4*9)+(3*0)+(2*8)+(1*0)=117
117 % 10 = 7
So 71290-80-7 is a valid CAS Registry Number.

71290-80-7Downstream Products

71290-80-7Relevant articles and documents

Microwave-mediated derivatization of poly(styrene-co-allyl alcohol), a key step for the soluble polymer-assisted synthesis of heterocycles

Vanden Eynde, Jean Jacques,Rutot, Delphine

, p. 2687 - 2694 (1999)

Poly(styrene-co-allyl alcohol) can be readily esterified under classical conditions or under microwave irradiation. Some of the so-obtained polymers are effective precursors for the preparation of various nitrogen and oxygen heterocycles. The recycling of the polymeric auxiliary and its use in combinatorial chemistry are discussed.

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