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144967-54-4

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144967-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144967-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,6 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 144967-54:
(8*1)+(7*4)+(6*4)+(5*9)+(4*6)+(3*7)+(2*5)+(1*4)=164
164 % 10 = 4
So 144967-54-4 is a valid CAS Registry Number.

144967-54-4Relevant articles and documents

MEDIUM-SIZED SILICON-CONTAINING RINGS. IV. SILOCANE-SILATRANE TRANSFORMATIONS

D'yakov, V. M.,Makarov, A. F.

, p. 291 - 294 (2007/10/02)

We have discovered an intramolecular condensation of trimethylsilyl ethers of silocines with a phenyl substituent on the silicon atom that leads to the corresponding silatranes.For the preparation of N-(hydroxyethy) derivatives of silocines we have, for the first time, used the cyclosilylation of triethanolamine with a bis(dialkylamino)silane.It was found that in the exothermic reaction of trialkoxyalkylsilanes with N-(hydroxyethyl) derivatives of silocines and their trimethylsilyl ethers the yield of silatranes is only slighthly dependent on the nature of the substituent both in the silocines and in the alkoxysilanes.

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