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76387-89-8

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76387-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76387-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,8 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 76387-89:
(7*7)+(6*6)+(5*3)+(4*8)+(3*7)+(2*8)+(1*9)=178
178 % 10 = 8
So 76387-89-8 is a valid CAS Registry Number.

76387-89-8Downstream Products

76387-89-8Relevant articles and documents

The Selective Preparation of 1,4-Diaryl-6-methyl- and 1,6-Diaryl-4-methyl-2-(1H)pyrimidinones

Kashima, Choji,Katoh, Akira

, p. 913 - 915 (2007/10/02)

N-Phenylurea reacted with benzoylacetone derivatives (I) to give 1,4-diaryl-6-methyl-2-(1H)pyrimidinones (II) in addition to low yields of 1,6-diaryl-4-methyl-2-(1H)pyrimidinones (IV), while N-phenylthiourea afforded only 1,6-diaryl-4-methyl-2-(1H)pyrimidinethiones (III) in good yields.Further 1,6-diaryl-4-methyl-2-(1H)pyrimidinethiones (III) were succesfully converted in satisfactory yields into the corresponding 2-(1H)pyrimidinones (IV) by the treatment with methyl iodide in the presence of sodium methoxide in methanol at room temperature.

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