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86327-86-8

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86327-86-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86327-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,3,2 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 86327-86:
(7*8)+(6*6)+(5*3)+(4*2)+(3*7)+(2*8)+(1*6)=158
158 % 10 = 8
So 86327-86-8 is a valid CAS Registry Number.

86327-86-8Downstream Products

86327-86-8Relevant articles and documents

Synthesis of 2-Amino- and 2-Guanidinothienopyrimidin-4(3H)-ones

Rajasekharan, K. N.,Thomas, Lusy

, p. 76 - 77 (2007/10/02)

Cyanamide and 1-arylcyanamides (2a-f) react with ethyl 2-aminothiophene-3-carboxylate (1a, R,R'= -(CH2)4-) to give 2-amino- and 2-arylaminothienopyrimidin-4(3H)-ones (3a-f, R''= H or Ar).A similar reaction of dicyandiamide (4a) and aryldicyandiamides (4b-f) with 1a gives 2-guanidino-thienopyrimidin-4(3H)-ones (5a-f, R''= H or Ar).However, ethyl 2-amino-4-methyl-5-(N-phenylcarboxamido)thiophene-3-carboxylate (1b, R = Me, R'= CONHPh) and ethyl 4-amino-2-imino-3-phenylthiazoline-5-carboxylate fail to give similar thieno- and thiazolo-pyrimidinones.Several new 2-(N-arylguanidino)quinazolin-4(3H)-ones (6a-e, R''= aryl) have been obtained from methyl anthranilate and aryldicyandiamides (4b-f).

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