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15381-90-5

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15381-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15381-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,3,8 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 15381-90:
(7*1)+(6*5)+(5*3)+(4*8)+(3*1)+(2*9)+(1*0)=105
105 % 10 = 5
So 15381-90-5 is a valid CAS Registry Number.

15381-90-5Relevant articles and documents

ACYLATION OF 2-AMINO-5-PHENYL-4-OXAZOLINONE AND 2-AMINO-4-IMIDAZOLINONES

Ramsh, S. M.,Zheltonog, N. G.,Shamina, L. P.,Basova, Yu. G.,Ginak, A. I.

, p. 481 - 484 (2007/10/02)

The acylation of 2-amino-5-phenyl-4-oxazolinone and 2-amino-1-methyl-4-imidazolinone with acetyl chloride in benzene in the presence of triethylamine leads to the formation of 2-acetamido-5-phenyl-4-oxazolinone and 2-acetamido-1-methyl-4-imidazolinone.The acylation of 2-amino-4-imidazolinone under the indicated conditions, as well as acetic anhydride, gives 1-acetylimidazolidine-2,4-dione. 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione (dehydroacetic acid) is formed as a side product in the acylation of 2-amino-4-azolinones with acetyl chloride in benzene in the presence of triethylamine.The IR and PMR spectra of the compounds obtained are presented.

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