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98988-24-0

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98988-24-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98988-24-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,8 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98988-24:
(7*9)+(6*8)+(5*9)+(4*8)+(3*8)+(2*2)+(1*4)=220
220 % 10 = 0
So 98988-24-0 is a valid CAS Registry Number.

98988-24-0Downstream Products

98988-24-0Relevant articles and documents

2-(o-tolyl)-4,4-dimethyl-2-oxazolines - A new vehicle for facile convergent synthesis of protoberberine alkaloids

Singh, Kamal Nain

, p. 4391 - 4392 (2007/10/03)

A single step synthesis of 8-oxotetrahydroprotoberberines (57-82%) by the addition of lithiated 2-(o-tolyl)-4,4-dimethyl-2-oxazolines on 3,4- dihydroisoquinolines is described.

A RADICAL APPROACH TO BHARATAMINE, A UNIQUE PROTOBERBERINE ALKALOID FROM ALANGIUM LAMARCKII

Takano, Seiichi,Suzuki, Mahito,Ogasawara, Kunio

, p. 1151 - 1156 (2007/10/02)

Bharatamine, a unique racemic protoberberine alkaloid from Alangium Lamarckii, has been synthesized via aryl radical-initiated 1,6-cyclization as the key step.

Bharatamine A Novel Protoberberine Alkaloid of Aberrant Biogenetic Origin from Alangium lamarckii Thw.

Pakrashi, S. C.,Mukhopadhyay, Ranjan,Dastidar, P. P. Ghosh,Bhattacharjya, Anup,Ali, E.

, p. 1003 - 1007 (2007/10/02)

The structure elucidation and the synthesis of bharatamine, a biogenetic marvel being a protoberberine alkaloid unoxygenated in ring D, and its regioisomer isobharatamine have been discussed in detail.

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