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680210-30-4

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680210-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 680210-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,2,1 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 680210-30:
(8*6)+(7*8)+(6*0)+(5*2)+(4*1)+(3*0)+(2*3)+(1*0)=124
124 % 10 = 4
So 680210-30-4 is a valid CAS Registry Number.

680210-30-4Downstream Products

680210-30-4Relevant articles and documents

A facile stereocontrolled approach to CF3-substituted triarylethenes: Synthesis of panomifene

Liu, Xinyu,Shimizu, Masaki,Hiyama, Tamejiro

, p. 879 - 882 (2004)

The stereoselective preparation and Pd-catalyzed cross-coupling reaction of boronates 2 provides a new general and convenient route to CF 3-substituted triaryl ethenes 3, in which the CF3 and Ar3 groups are cis to each other. The synthetic potential was demonstrated by the total synthesis of panomifene (Ar1 = Ar 3 = Ph, Ar2 = 4-(OHCH2CH2NHCH 2CH2O)-C6H4). Bpin = (pinacolato)boryl.

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