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105850-51-9

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105850-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105850-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,8,5 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 105850-51:
(8*1)+(7*0)+(6*5)+(5*8)+(4*5)+(3*0)+(2*5)+(1*1)=109
109 % 10 = 9
So 105850-51-9 is a valid CAS Registry Number.

105850-51-9Relevant articles and documents

ELECTROPHILIC SULFAMATOSULFENYLATION OF OLEFINS

Zefirov, N.S.,Zyk, N.V.,Kutateladze, A.G.,Lapin, Yu.A.

, p. 351 - 360 (2007/10/02)

The reaction of N,N-dialkylarenesufenamides with sulfur trioxides gave arenesulfenyl sulfamates, which have clearly defined electrophilic characteristics.These reagents are capable of adding at the C=C bond of olefins with the formation of the sulfamates of arylthio-substituted alcohols.The reaction with cyclohexene is stereospecific and leads to the trans-1,2-adducts, while the reaction with norbornene and norbornadiene is accompanied by rearrangement of the carbon framework.For the case of the cyclohexane derivatives it was shown that the vicinal arylthiosulfamates are highly sensitive to nucleophilic reagents.

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