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84222-49-1

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84222-49-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84222-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,2 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84222-49:
(7*8)+(6*4)+(5*2)+(4*2)+(3*2)+(2*4)+(1*9)=121
121 % 10 = 1
So 84222-49-1 is a valid CAS Registry Number.

84222-49-1Relevant articles and documents

An Improved Total Synthesis of PET HSV-tk Gene Expression Imaging Agent 9-[(3-[18F]Fluoro-1-hydroxy-2-propoxy)methyl]guanine ([ 18F]FHPG)

Wang, Ji-Quan,Zheng, Qi-Huang,Fei, Xiangshu,Liu, Xuan,Gardner, Thomas A.,Kao, Chinghai,Raikwar, Sudhanshu P.,Glick-Wilson, Barbara E.,Sullivan, Michael L.,Mock, Bruce H.,Hutchins, Gary D.

, p. 917 - 932 (2004)

An improved total synthesis of [18F]FHPG starting from 1,3-dibenzyloxy-2-propanol and guanine has been developed. [18F]FHPG was prepared by nucleophilic substitution of the appropriate precursor with [18F]KF/ Kryptofix 2.2.2 followed by a quick deprotection reaction and purification with a simplified Silica Sep-Pak solid-phase extraction (SPE) method in 10-15% radiochemical yield, and 70 min synthesis time from end of bombardment (EOB).

Biologically active acyclonucleoside analogues. II. The synthesis of 9-[[2-hydroxy-1-(hydroxymethyl)ethoxy]methyl]guanine (BIOLF-62)

Ogilvie,Cheriyan,Radatus

, p. 3005 - 3010 (2007/10/02)

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