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236744-03-9

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236744-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 236744-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,6,7,4 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 236744-03:
(8*2)+(7*3)+(6*6)+(5*7)+(4*4)+(3*4)+(2*0)+(1*3)=139
139 % 10 = 9
So 236744-03-9 is a valid CAS Registry Number.

236744-03-9Downstream Products

236744-03-9Relevant articles and documents

Enantioselective synthesis of saframycin A and evaluation of antitumor activity relative to ecteinascidin/saframycin hybrids.

Martinez,Corey

, p. 75 - 77 (2008/02/11)

[formula: see text] A short synthesis of saframycin A is described which begins with a readily available intermediate previously utilized for the total synthesis of ecteinascidin 743. A key step in this synthesis is the use of 1-fluoro-3,5-dichloropyridin

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