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227005-28-9

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227005-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 227005-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,0 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 227005-28:
(8*2)+(7*2)+(6*7)+(5*0)+(4*0)+(3*5)+(2*2)+(1*8)=99
99 % 10 = 9
So 227005-28-9 is a valid CAS Registry Number.

227005-28-9Relevant articles and documents

First example of opening and hydrogenation of 2,3-dihydrobenzo[b]thiophene to 2-ethylthiophenol assisted by a soluble metal complex

Bianchini, Claudio,Meli, Andrea,Oberhauser, Werner,Vizza, Francesco

, p. 671 - 672 (1999)

Displacement of THF by dihydrobenzo[b]thiophene (DHBT) in [(triphos)Ir(H)2(THF)]BPh4 yields the η1-S-DHBT adduct [(triphos)Ir(H)2(η1-DHBT)]BPh4 which reacts in THF at room temperature with KOBu(t) to give the neutral 2-vinylthiophenolate derivative (triphos)Ir(H)2{η1-o-S(C6H4)CH=CH2} via C2-S bond cleavage; the latter compound is hydrogenated under mild conditions (2 bar H2, 80°C) to the 2-ethylthiophenolate derivative (triphos)Ir(H)2{o-S(C6H4)Et} and under harsh conditions (30 bar H2, 160°C) to free 2-ethylthiophenol and (triphos)IrH3.

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