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1246439-81-5

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1246439-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246439-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,4,3 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1246439-81:
(9*1)+(8*2)+(7*4)+(6*6)+(5*4)+(4*3)+(3*9)+(2*8)+(1*1)=165
165 % 10 = 5
So 1246439-81-5 is a valid CAS Registry Number.

1246439-81-5Downstream Products

1246439-81-5Relevant articles and documents

Poly(arylene ether)s with trifluoromethyl groups via meta-activated nitro displacement reaction

Chung, Im Sik,Kim, Kyoung Hoon,Lee, Yoon Sub,Kim, Sang Youl

, p. 4477 - 4483 (2010)

New poly(arylene ether)s with pendent trifluoromethyl groups were synthesized from 2,2'-bis(trifluoromethyl)-4,4'-dinitro-1,1'-biphenyl with several bisphenols. The nitro leaving group activated by the trifluoromethyl group at meta position was quantitati

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