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1187186-04-4

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1187186-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1187186-04-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,1,8 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1187186-04:
(9*1)+(8*1)+(7*8)+(6*7)+(5*1)+(4*8)+(3*6)+(2*0)+(1*4)=174
174 % 10 = 4
So 1187186-04-4 is a valid CAS Registry Number.

1187186-04-4Relevant articles and documents

One-Pot Halogen Dance/Negishi Coupling of Dibromothiophenes for Regiocontrolled Synthesis of Multiply Arylated Thiophenes

Okano, Kentaro,Sunahara, Kazuhiro,Yamane, Yoshiki,Hayashi, Yuki,Mori, Atsunori

supporting information, p. 16450 - 16454 (2016/11/11)

One-pot halogen dance/Negishi cross-coupling of readily available 2,5-dibromothiophenes is described. A lithium diisopropylamide (LDA)-mediated halogen dance reaction resulted in the formation of thermodynamically stable α-lithiodibromothiophenes, which w

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