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629604-05-3

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629604-05-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 629604-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,9,6,0 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 629604-05:
(8*6)+(7*2)+(6*9)+(5*6)+(4*0)+(3*4)+(2*0)+(1*5)=163
163 % 10 = 3
So 629604-05-3 is a valid CAS Registry Number.

629604-05-3Relevant articles and documents

6-Magnesiated Purines: Preparation and Reaction with Aldehydes

Tobrman, Tomas,Dvorak, Dalimil

, p. 4289 - 4291 (2003)

(Equation presented) Halogen-metal exchange reaction of 9-benzyl-6-iodopurine with iPrMgCl in toluene at -80°C proceeds almost quantitatively. Such a purine-derived Grignard reagent reacts selectively with aldehydes in toluene, giving the corresponding alcohols in 25-62% yield, while other functional groups such as ketones, esters, and nitriles do not react under these conditions. The reaction can be extended to protected 6-iodopurine ribonucleoside.

Facile and efficient synthesis of 6-(hydroxymethyl)purines

Silhar, Peter,Pohl, Radek,Votruba, Ivan,Hocek, Michal

, p. 3225 - 3228 (2007/10/03)

(Chemical Equation Presented) A facile and efficient methodology of the synthesis of 6-(hydroxymethyl)purine derivatives (bases and nucleosides) was developed based on Pd-catalyzed cross-coupling reactions of 6-halopurines with acyloxymethylzinc iodides f

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