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432038-16-9

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432038-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 432038-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,2,0,3 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 432038-16:
(8*4)+(7*3)+(6*2)+(5*0)+(4*3)+(3*8)+(2*1)+(1*6)=109
109 % 10 = 9
So 432038-16-9 is a valid CAS Registry Number.

432038-16-9Upstream product

432038-16-9Relevant articles and documents

Synthesis of D-erythro-sphingosine and D-erythro-ceramide.

Milne, Jacqueline E,Jarowicki, Krzysztof,Kocienski, Philip J,Alonso, Jorge

, p. 426 - 427 (2002)

A 1,2-metallate rearrangment of a higher order cuprate derived from an alpha-lithiated xylal derivative and tridecyllithium is the key step in a synthesis of D-erythro-sphingosine and ceramide. A convenient method for preparing alpha-lithiated glycals from alpha-phenylsulfinyl glycals is also described.

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