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89318-04-7

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89318-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89318-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,1 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89318-04:
(7*8)+(6*9)+(5*3)+(4*1)+(3*8)+(2*0)+(1*4)=157
157 % 10 = 7
So 89318-04-7 is a valid CAS Registry Number.

89318-04-7Relevant articles and documents

Rearrangements of Dewar 4-Pyrimidinones and 4-methoxy-2-azetidinones. Reactions through Azetidinyl and Acyl Cations

Hirokami, Shun-ichi,Takahashi, Tamiko,Nagata, Masanori,Yamazaki, Takao

, p. 2455 - 2468 (2007/10/02)

Irradiation of 2,3,6-trialkyl-4-pyrimidinones 1 and the termal reactions of the Dewar 4-pyrimidinones 2 in aliphatic carboxylic acid solutions gave the corresponding tetraalkylpyrimidinium-5-carboxylates 3.The structures of the betaines 3 were established

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