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140860-85-1

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140860-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140860-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,6 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 140860-85:
(8*1)+(7*4)+(6*0)+(5*8)+(4*6)+(3*0)+(2*8)+(1*5)=121
121 % 10 = 1
So 140860-85-1 is a valid CAS Registry Number.

140860-85-1Relevant articles and documents

Partially fluorinated heterocycles from 4,4-bis(trifluoromethyl)-hetero-1, 3-dienes via C-F bond activation - Synthesis of 2-fluoro-3-(trifluoromethyl) furans

Burger, Klaus,Helmreich, Brigitte,Hennig, Lothar,Spengler, Jan,Albericio, Fernando,Fuchs, Annett

, p. 227 - 236 (2008/02/01)

An efficient synthesis of 2-fluoro-3-(trifluoromethyl)furans was developed. Keystep of the reaction sequence is a [4 + 1] cycloaddition reaction of tin(II)chloride to 4,4-bis(trifluoromethyl)-1-oxabuta-1,3-dienes. At elevated temperatures the tin heterocy

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