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75992-90-4

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75992-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75992-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,9 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75992-90:
(7*7)+(6*5)+(5*9)+(4*9)+(3*2)+(2*9)+(1*0)=184
184 % 10 = 4
So 75992-90-4 is a valid CAS Registry Number.

75992-90-4Upstream product

75992-90-4Downstream Products

75992-90-4Relevant articles and documents

Cyclopropane Ring Cleavage in the α-Santal Series, I. - The Absolute Configurations of (-)-β-Santalol, (+)-epi-β-Santalol, and (E)-(-)-β-Santalol

Brunke, Ernst-Joachim,Boehme, Andreas,Struwe, Hartmut

, p. 1105 - 1110 (2007/10/02)

Cyclopropane cleavage of (+)-α-santalyl acetate (1b) by treatment firstly with HCl/CHCl3 at -50 deg C and secondly with basic alumina resulted in (-)-β-santalyl acetate (2b) and (+)-epi-β-santalyl acetate (3b).The identity with 2b, 3b, isolated from east indian sandalwood oil, was demonstrated by 1H-, 13C-NMR, and ORD spectra.This result defines the absolute configurations of the β-santalols 2a, 3a, and 4a.

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