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82644-83-5

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82644-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82644-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,4 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82644-83:
(7*8)+(6*2)+(5*6)+(4*4)+(3*4)+(2*8)+(1*3)=145
145 % 10 = 5
So 82644-83-5 is a valid CAS Registry Number.

82644-83-5Downstream Products

82644-83-5Relevant articles and documents

Alkaloidal Constituents of Leucojum asetivum L. (Amaryllidaceae)

Kobayashi, Shigeru,Kihara, Masaru,Yuasa, Kazuyoshi,Imakura, Yasuhiro,Shingu, Tetsuro,et al.

, p. 5258 - 5263 (2007/10/02)

Two novel alkaloids, leucotamine (1) and O-methylleucotamine (2), with a 3R-hydroxybutyryl group, and another new alkaloid, 3-O-acetylungiminorine (3), were isolated from leaves of Leucojum asetivum (Amaryllidaceae) together with five known alkaloids.O-Methylleucotamine (2) and 3-O-acetylungiminorine (3), as well as four known bases, were also isolated from bulbs of this plant.The stereochemistries of the new compounds 1, 2, and 3 were established on the basis of chemical and spectral data.Keywords - Leucojum asetivum; Amaryllidaceae; leucotamine; O-methylleucotamine; 3-O-acetylungiminorine; galanthamine; pretazettine; demethylhomolycorine; lycorine

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