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191801-49-7

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191801-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191801-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,8,0 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 191801-49:
(8*1)+(7*9)+(6*1)+(5*8)+(4*0)+(3*1)+(2*4)+(1*9)=137
137 % 10 = 7
So 191801-49-7 is a valid CAS Registry Number.

191801-49-7Downstream Products

191801-49-7Relevant articles and documents

Process for preparing silacyclohexane compounds

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, (2008/06/13)

A process for preparing a silacyclohexane compound of the general formula STR1 wherein R and Q are, respectively, defined substituents, which process comprising the steps of converting a compound of the following formula STR2 to a halosilacyclohexane of the following formula STR3 wherein X is a halogen, reacting the halosilacyclohexane with an alcohol to obtain an alkoxysilacyclohexane of the formula which is equilibrated in steric configuration, and STR4 reducing the equilibrated alkoxysilacyclohexane whereby a trans form silacyclohexane compound is predominantly produced.

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