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870483-99-1

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870483-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 870483-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,4,8 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 870483-99:
(8*8)+(7*7)+(6*0)+(5*4)+(4*8)+(3*3)+(2*9)+(1*9)=201
201 % 10 = 1
So 870483-99-1 is a valid CAS Registry Number.

870483-99-1Relevant articles and documents

Synthesis and characterization of a novel bisnitroxide initiator for effecting "outside-in" polymerization

Hill, Nicole L.,Braslau, Rebecca

, p. 9066 - 9074 (2008/02/02)

A new bis-α-hydrogen nitroxide based initiator for use in nitroxide-mediated free radical polymerization (NMRP) has been synthesized and is demonstrated to effect controlled polymerizations. The bisnitroxide forms "living" systems; the resulting polymers are formed with low polydispersities. The addition of a second block is facile, forming symmetrical ABA triblock copolymers. Monomer addition occurs at the center of the living polymer. This "outside-in" strategy overcomes previous restrictions in sequence specificity encountered in preparing ABA triblock copolymers using NMRP by the more traditional, complementary "inside - out" bidirectional nitroxide initiators.

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