177272-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177272-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,2,7 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 177272-48:
(8*1)+(7*7)+(6*7)+(5*2)+(4*7)+(3*2)+(2*4)+(1*8)=159
159 % 10 = 9
So 177272-48-9 is a valid CAS Registry Number.
177272-48-9Relevant articles and documents
A stereocontrolled syntheses of conjugated dienyl trifluoromethyl ketones via the Claisen rearrangement of allyl 2-phenylsulfanyl-1-(trifluoromethyl) vinyl ethers
Jiang, Biao
, p. 861 - 862 (2007/10/03)
The stereocontrolled syntheses of buta-2,4-dienyl trifluoromethyl ketones are described which rely upon the Claisen rearrangement of allyl 2-phenylsulfanyl-1-(trifluoromethyl)vinyl ethers.
