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1251957-60-4

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1251957-60-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1251957-60-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,9,5 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1251957-60:
(9*1)+(8*2)+(7*5)+(6*1)+(5*9)+(4*5)+(3*7)+(2*6)+(1*0)=164
164 % 10 = 4
So 1251957-60-4 is a valid CAS Registry Number.

1251957-60-4Upstream product

1251957-60-4Downstream Products

1251957-60-4Relevant articles and documents

Preparation of radioiodo-metoprolol and its biological evaluation as a possible cardiac imaging agent1

Ibrahim,Amin,El-Azony

, p. 212 - 216 (2010)

125I-Metoprolol was prepared by electrophilic substitution reaction in the presence of Chloramine-T (CAT) as an oxidizing agent. The reaction conditions were optimized. The radiochemical yield of 125I-metoprolol exceeding 90% was attained in 10 min at ambient temperature (25 ± 1°C). The radiochemical yield and purity of the labeled product were evaluated by electrophoresis, thin-layer chromatography (TLC), and high-performance liquid chromatography (HPLC). Biodistribution studies of 125I-iodometoprolol were carried out in normal Albino Swiss mice. The results indicate the possibility of using [125I]- iodometoprolol for myocardial imaging. Pleiades Publishing, Inc., 2010.

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