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79888-13-4

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79888-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79888-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,8 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79888-13:
(7*7)+(6*9)+(5*8)+(4*8)+(3*8)+(2*1)+(1*3)=204
204 % 10 = 4
So 79888-13-4 is a valid CAS Registry Number.

79888-13-4Downstream Products

79888-13-4Relevant articles and documents

Facile synthesis of 2,3,6,11-tetrahydro-1H,5H-indolizino[8,7-b]indole-11b- carboxylic acid methyl ester via a 9-BBN-mediated tertiary lactam reduction

Fokas, Demosthenes,Wang, Zhimin

, p. 3816 - 3822 (2008)

A facile synthesis of 2,3,6,11-tetrahydro-1H,5H-indolizino[8,7-b]indole- 11b-carboxylic acid methyl ester, a versatile intermediate utilized in the synthesis of indole alkaloids, was achieved in two steps. Condensation of tryptamine with dimethyl α-ketoglutarate led to the formation of the corresponding indolizino[8,7-b]indolone ester, which subsequently underwent an efficient lactam reduction with 9-BBN to generate the tertiary amine ester in good yield. Copyright Taylor & Francis Group, LLC.

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