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189450-64-4

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189450-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189450-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,4,5 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189450-64:
(8*1)+(7*8)+(6*9)+(5*4)+(4*5)+(3*0)+(2*6)+(1*4)=174
174 % 10 = 4
So 189450-64-4 is a valid CAS Registry Number.

189450-64-4Upstream product

189450-64-4Relevant articles and documents

Preparation of 2-O-arachidonoyl-1-O-stearoyl-sn-glycerol and other di-O-acyl glycerol derivatives

Gaffney, Piers R.J.,Reese, Colin B.

, p. 2539 - 2542 (1997)

R(-)-2,3- and S(+)-1,2-O-Isopropylidene-sn-glycerols (4 and 9) are converted into 2-O-arachidonoyl-1-O-stearoyl and 2-O-arachidonoyl-3-O-stearoyl-sn-glycerols (2 and 3, respectively); glycerol is also converted into its racemic 1,2- and its symmetrical 13-di-O-linoleoyl derivatives (14 and 17, respectively).

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