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1224702-13-9

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1224702-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1224702-13-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,7,0 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1224702-13:
(9*1)+(8*2)+(7*2)+(6*4)+(5*7)+(4*0)+(3*2)+(2*1)+(1*3)=109
109 % 10 = 9
So 1224702-13-9 is a valid CAS Registry Number.

1224702-13-9Upstream product

1224702-13-9Downstream Products

1224702-13-9Relevant articles and documents

Total synthesis of resolvin E2

Kosaki, Yusuke,Ogawa, Narihito,Kobayashi, Yuichi

scheme or table, p. 1856 - 1859 (2010/09/07)

Resolvin E2 (2) was synthesized stereoselectively using the C1-8 and C15-20 aldehydes 6 and 9, which were connected to the C9-14 fragment by using Wittig reactions. The aldehyde 6 was prepared from the γ-silyl alcohol (S)-20 by a sequence of reactions involving ozonolysis, oxidation with NaIO4, and the Wittig reaction of the resulting aldehyde with Ph3P{double bond, long}CHCHO, whereas the aldehyde 9 was synthesized from the corresponding γ-silyl alcohol through epoxidation, reaction with Et2AlCN, and reduction with DIBAL-H.

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