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1392812-96-2

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1392812-96-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1392812-96-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,2,8,1 and 2 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1392812-96:
(9*1)+(8*3)+(7*9)+(6*2)+(5*8)+(4*1)+(3*2)+(2*9)+(1*6)=182
182 % 10 = 2
So 1392812-96-2 is a valid CAS Registry Number.

1392812-96-2Downstream Products

1392812-96-2Relevant articles and documents

Enhancing the hygroscopic stability of S-oxiracetam via pharmaceutical cocrystals

Wang, Zi-Zhou,Chen, Jia-Mei,Lu, Tong-Bu

, p. 4562 - 4566 (2012)

Four cocrystals of (S-ox)(ga) (1), (RS-ox)(ga) (2), (S-ox)(pa) (3), and (RS-ox)(pa) (4) were prepared (S-ox = S-oxiracetam, RS-ox = racemic oxiracetam, ga = gallic acid, pa = 3,4-dihydroxybenzoic acid), and their structures were determined by single X-ray diffraction. In 1/2, two ga molecules link two S-ox/RS-ox molecules through intermolecular hydrogen bonds with a new R 22(9) synthon to form a tetramer, the tetramers are further linked by intertetramer hydrogen bonds to generate a 2D sheet, and the adjacent 2D sheets are connected by intersheet hydrogen bonds to form the 3D structure of 1/2. In 3/4, the ox molecules form a 1D helical chain through intermolecular hydrogen bonds, and the helical chains are further linked by pa molecules through intermolecular hydrogen bonds to form a 2D sheet. The results of hygroscopic stability experiments indicate that the hygroscopic stability of S-ox is much enhanced after the formation of cocrystal 1.

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