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1616800-21-5

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1616800-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1616800-21-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,8,0 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1616800-21:
(9*1)+(8*6)+(7*1)+(6*6)+(5*8)+(4*0)+(3*0)+(2*2)+(1*1)=145
145 % 10 = 5
So 1616800-21-5 is a valid CAS Registry Number.

1616800-21-5Downstream Products

1616800-21-5Relevant articles and documents

Iron-catalyzed radical aryldifluoromethylation of activated alkenes to difluoromethylated oxindoles

Wang, Jian-Yong,Zhang, Xin,Bao, Yan,Xu, Yue-Ming,Cheng, Xiu-Fen,Wang, Xi-Sheng

supporting information, p. 5582 - 5585 (2014/07/22)

An iron-catalyzed aryldifluoromethylation of activated alkenes under mild reaction conditions has been developed, which is a rare example where a cosolvent is used to improve the reaction yield along with Fenton's reagent and thus provides an economic and green method for the synthesis of a variety of difluoromethylated oxindoles. Preliminary mechanistic investigations indicate a radical addition path. the Partner Organisations 2014.

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