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89803-95-2

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89803-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89803-95-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,0 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89803-95:
(7*8)+(6*9)+(5*8)+(4*0)+(3*3)+(2*9)+(1*5)=182
182 % 10 = 2
So 89803-95-2 is a valid CAS Registry Number.

89803-95-2Downstream Products

89803-95-2Relevant articles and documents

MICROLOBIN - A NEW COUMARIN FROM Ferula microloba

Nabiev, A. A.,Malikov, V. M.

, p. 664 - 667 (1983)

A new sesquiterpenoid 7-O-coumarin has been isolated from the roots of Ferula microloba Boiss. - microlobin, C24H30O5, M+ 398. mp 150-151 deg C, D20 +49 deg (c 0.5; CHCl3), for which, on the basis of chemical transformations and spectral characteristics, the structure and configuration have been established as 7-(4'β-hydroxy-1'α,2'α,5'β,10'β-teramethyl-6'-oxo-trans-decalin-1'β-ylmethoxy)coumarin.

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