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956903-43-8

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956903-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 956903-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,6,9,0 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 956903-43:
(8*9)+(7*5)+(6*6)+(5*9)+(4*0)+(3*3)+(2*4)+(1*3)=208
208 % 10 = 8
So 956903-43-8 is a valid CAS Registry Number.

956903-43-8Downstream Products

956903-43-8Relevant articles and documents

Facile conversion of 4,4,4-trifluorobut-2-yn-1-ols to 4,4,4-trifluorobut-2-en-1-ones

Yamazaki, Takashi,Kawasaki-Takasuka, Tomoko,Furuta, Atsushi,Sakamoto, Shogo

scheme or table, p. 5945 - 5948 (2011/02/28)

Smooth isomerization of 4,4,4-trifluorinated propargylic alcohols 1 opened a new and convenient route to readily get access to the corresponding α,β-unsaturated ketones 4 just by heating a THF solution in the presence of Et3N.

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