Cas 138507-33-2,diphenyl(propinyl)bismuthane

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Check Digit Verification of cas no

The CAS Registry Mumber 138507-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,0 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138507-33:
(8*1)+(7*3)+(6*8)+(5*5)+(4*0)+(3*7)+(2*3)+(1*3)=132
132 % 10 = 2
So 138507-33-2 is a valid CAS Registry Number.

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138507-33-2Relevant academic research and scientific papers

Diorganobismuthacetylides

Rudolph, Klemens,Wieber, Markus

, p. 1319 - 1322 (2007/10/02)

Diorganobismuthacetylides R2BiCCR' (R = C6H5, p-CH3C6H4, CH3; R' = CH3, C(CH3)3, C6H5) were prepared by reactions of R2BiBr with NaCCR' in liquid ammonia.Reaction of two equivalents of NaCCR' with RBiBr2 leads to mixtures of R2BiCCR' and RBi(CCR')2. Keywords: Diorganobismuthacetylides, Synthesis, (1)H NMR Data, (13)C NMR Data

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