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87069-33-8

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87069-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87069-33-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,0,6 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87069-33:
(7*8)+(6*7)+(5*0)+(4*6)+(3*9)+(2*3)+(1*3)=158
158 % 10 = 8
So 87069-33-8 is a valid CAS Registry Number.
InChI:InChI=1/C19H21NO4/c1-20-9-8-11-4-7-15(23-3)19-16(11)13(20)10-12-5-6-14(22-2)17(21)18(12)24-19/h4-7,13,21H,8-10H2,1-3H3

87069-33-8Relevant articles and documents

DEMETHYLATIONS IN THE CULARINE SERIES

Lera, Angel Rodriquez de,Villaverde, Carmen,Castedo, Luis

, p. 109 - 113 (2007/10/02)

Selective demethylation in 7,4',5'-substituted cularine compounds can be achieved under two different sets of conditions (acidic and nucleophilic).Less satisfactory results are obtained in the 7,3',4'-substituted analogs.

NEW PHENOLIC ISOCULARINE AND BENZYLISOQUINOLINE ALKALOIDS AND THEIR BIOGENETIC RELATIONSHIP

Boente, J.M.,Castedo, L.,Cuadros, R.,Lera, A. Rodriguez de,Saa, J.M.,et al.

, p. 2303 - 2306 (2007/10/02)

The first three phenolic isocularines and the first diphenolic 7,8,3',4'-tetraoxygenated tetrahydrobenzylisoquinoline were isolated from Sarcocapnos crassifolia.A pathway for the biogenesis of cularine is considered.

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