35554-26-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 35554-26-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,5,5 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 35554-26:
(7*3)+(6*5)+(5*5)+(4*5)+(3*4)+(2*2)+(1*6)=118
118 % 10 = 8
So 35554-26-8 is a valid CAS Registry Number.
35554-26-8Relevant articles and documents
Synthese von 4,4-Bis(trifluormethyl)-1-oxabuta-1,3-dienen
Burger, Klaus,Helmreich, Brigitte
, p. 219 - 226 (2007/10/02)
Silyl enol ethers (1) and hexafluoroacetone (2) react to give O-silylated aldol adducts 3 which, after desilylation with methanol/hydrochloric acid, are transformed into 4,4-bis(trifluoromethyl)-1-oxabuta-1,3-dienes (5) on treatment with trifluoroacetic a