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1379764-25-6

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1379764-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1379764-25-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,9,7,6 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1379764-25:
(9*1)+(8*3)+(7*7)+(6*9)+(5*7)+(4*6)+(3*4)+(2*2)+(1*5)=216
216 % 10 = 6
So 1379764-25-6 is a valid CAS Registry Number.

1379764-25-6Downstream Products

1379764-25-6Relevant articles and documents

On the Vilsmeier formylation of N-aryl-substituted 2-aminothiophenes - A simple route to new thieno[2,3-b]quinolinium salts

Hartmann, Horst

, p. 356 - 370 (2013/09/24)

The Vilsmeier reaction of N-substituted 2-arylamino-thiophenes-5-carboxylic acid or their alkyl derivatives gives rise, depending on the substitution pattern at the thiophene moiety, to the formation of either N-substituted 2-arylamino-thiophene-5-carbaldehydes, corresponding imminium salt precursors, or novel thieno[2,3-b]quinolinium salts. These salts are highly reactive towards nucleophiles and can be easily transformed by reduction into the corresponding 4,9-dihydro derivatives. ARKAT-USA, Inc.

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