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2-hydroxy-4-oxo-3-phenylthieno[2,3-d]pyrimidine allyl ether is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123971-80-2

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123971-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123971-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,9,7 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123971-80:
(8*1)+(7*2)+(6*3)+(5*9)+(4*7)+(3*1)+(2*8)+(1*0)=132
132 % 10 = 2
So 123971-80-2 is a valid CAS Registry Number.

123971-80-2Downstream Products

123971-80-2Relevant academic research and scientific papers

THIAZOLO(OXAZOLO)THIENOPYRIMIDINES. PREPARATION FROM 2-ALLYLTHIO(OXY)THIENOPYRIMIDINES AND HYDROLYSIS

Khripak, S. M.,Yakubets, V. I.,Migalina, Yu. V.,Koz'min, A. S.,Zefirov, N. S.

, p. 347 - 352 (1989)

Heterocyclization of 5,6-disubstituted 2-allylthio(oxy)-4-oxothienopyrimidines by treatment with halogens affords thienothiazolopyrimidine iminium salts.Treatment of these salts with aqueous sodium acetate results in cleavage of the thiazoline ring.

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