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176704-27-1

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176704-27-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 176704-27-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,7,0 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 176704-27:
(8*1)+(7*7)+(6*6)+(5*7)+(4*0)+(3*4)+(2*2)+(1*7)=151
151 % 10 = 1
So 176704-27-1 is a valid CAS Registry Number.

176704-27-1Downstream Products

176704-27-1Relevant articles and documents

A new convenient synthesis of triarylbismuthanes bearing three different aryl groups by the grignard arylation of unsymmetrical diarylbismuth triflate-hexamethylphosphoric triamide (HMPA) complexes

Matano, Yoshihiro,Miyamatsu, Takashi,Suzuki, Hitomi

, p. 1951 - 1953 (2008/10/09)

Triarylbismuthanes bearing three different aryl groups, Ar1Ar2Ar3Bi (4), have been conveniently synthesized by the action of aryl Grignard reagent Ar3-MgBr on unsymmetrical diarylbismuth triflate-HMPA complexes Ar1Ar2BiOTf(HMPA)2 (8), which are readily accessible by the selective cleavage of triarylbismuthanes Ar12Ar2Bi (7; Ar1 is more fugacious than Ar2) with trimethylsilyl triflate in the presence of HMPA.

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