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98381-61-4

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98381-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98381-61-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,8 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98381-61:
(7*9)+(6*8)+(5*3)+(4*8)+(3*1)+(2*6)+(1*1)=174
174 % 10 = 4
So 98381-61-4 is a valid CAS Registry Number.

98381-61-4Downstream Products

98381-61-4Relevant articles and documents

Formylation Products of Thioamides. XIII, Reaction of N-(3-Aminothioacryloyl)-formamidines with Amines - Synthesis of Pyrimidine Derivatives

Knoll, Alexander,Liebscher, Juergen

, p. 455 - 462 (2007/10/02)

N-(3-Aminothioacryloyl)-formamidines 3 react with primary amines to give either 4(1H)-pyrimidinthiones 6 or transaminated N-(3-aminothioacryloyl)-formamidines 5.Alkylation of the latter compounds gives rise to cyclised 6(1H)-pyrimidinimines 7.The 4(1H)-py

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