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128261-44-9

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128261-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128261-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,6 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128261-44:
(8*1)+(7*2)+(6*8)+(5*2)+(4*6)+(3*1)+(2*4)+(1*4)=119
119 % 10 = 9
So 128261-44-9 is a valid CAS Registry Number.

128261-44-9Downstream Products

128261-44-9Relevant academic research and scientific papers

VINYLCYCLOPENTENE SYNTHESIS VIA PHENYLTHIO RADICAL CATALYZED ADDITION OF ELECTRON DEFICIENT ALKYNES TO SUBSTITUTED VINYLCYCLOPROPANES

Feldman, Ken S.,Ruckle, Robert E.,Romanelli, Anthony L.

, p. 5845 - 5848 (2007/10/02)

Treatment of either t-butyl ester- or benzylether-substituted vinylcyclopropanes with an excess of ester- or sulfone-bearing alkynes in the presence of phenylthio radical in benzene afforded moderate yields of functionalized vinylcyclopentene products as

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