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4bβ,12β-(N-phenylepoxyimino)-10bβ-methyl-4b,10b,11,12-tetrahydrooxychelerythrine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91103-73-0

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91103-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91103-73-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,0 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91103-73:
(7*9)+(6*1)+(5*1)+(4*0)+(3*3)+(2*7)+(1*3)=100
100 % 10 = 0
So 91103-73-0 is a valid CAS Registry Number.

91103-73-0Relevant academic research and scientific papers

Utilization of Protopine and Related Alkaloids. XV. Photolysis of 4-Methyl-1-oxoanhydroberberine

Yamaguchi, Hiroko,Onda, Masayuki

, p. 909 - 912 (2007/10/02)

Photolysis of 4-methyl-1-oxoanhydroberberine (9) in the presence of nitrosobenzene gives two isomeric photoadducts (11) and (12).In the presence of diethyl azodicarboxylate, 9 affords two different types of photoadduct (13) and (14).These photoadducts are

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