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78739-32-9

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78739-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78739-32-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,3 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78739-32:
(7*7)+(6*8)+(5*7)+(4*3)+(3*9)+(2*3)+(1*2)=179
179 % 10 = 9
So 78739-32-9 is a valid CAS Registry Number.

78739-32-9Relevant articles and documents

Efficient stereocontrolled synthesis of D-erythro-sphingosine from N-benzoyl-D-glucosamine

Murakami, Teiichi,Hato, Masakatsu

, p. 823 - 827 (2007/10/03)

D-erythro-Sphingosine is synthesized from N-benzoyl-D-glucosamine 2 in a highly regio- and stereo-controlled manner. The key features in the synthesis involve the efficient conversion of compound 2 into the vinyl epoxide 10 and the subsequent SN2′-type reaction with a Grignard reagent in the presence of CuCN to afford the 1-O,2-N-protected sphingosine 11.

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