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29723-38-4

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29723-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29723-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,7,2 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 29723-38:
(7*2)+(6*9)+(5*7)+(4*2)+(3*3)+(2*3)+(1*8)=134
134 % 10 = 4
So 29723-38-4 is a valid CAS Registry Number.

29723-38-4Downstream Products

29723-38-4Relevant articles and documents

Preparation and properties of some fluorocarbon derivatives of tin

Cullen,Sams,Waldman

, p. 1682 - 1686 (2007/10/06)

The M?ssbauer spectra of the compounds (CH3)3SnRf show a quadrupole splitting which is believed to be due to an electronegativity difference between the methyl groups and the Rf group. The magnitude of the splitting indicates that the electronegativity of the Rf group increases in the order: CH2F 2 2 3 ≈ CH(CF3)2 2CF3 3 3)2. The compound (CH3)3SnCF2H wasp repared by treating (CHs)3SnH with (CH3)3SnCF3. Apart from (CH3)3SnCF3 none of the compounds appears to be a useful carbene source.

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