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139680-71-0

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139680-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139680-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,8 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139680-71:
(8*1)+(7*3)+(6*9)+(5*6)+(4*8)+(3*0)+(2*7)+(1*1)=160
160 % 10 = 0
So 139680-71-0 is a valid CAS Registry Number.

139680-71-0Downstream Products

139680-71-0Relevant articles and documents

Extremely simple route to β-fluoro vinamidinium salts: A novel reaction of (polyfluoro-1-propenyl)trimethylammonium iodides with primary or secondary amines

Yamanaka,Yamashita,Ishihara

, p. 357 - 360 (2007/10/02)

(2,3,3-Trifluoro-1-propenyl)trimethylammonium iodide readily underwent demethylation-allylic substitution followed by N-N exchange reaction at ambient temperature or at 70°C by the action of various secondary amines or several primary amines to give the c

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