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197223-18-0

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197223-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197223-18-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,2 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 197223-18:
(8*1)+(7*9)+(6*7)+(5*2)+(4*2)+(3*3)+(2*1)+(1*8)=150
150 % 10 = 0
So 197223-18-0 is a valid CAS Registry Number.

197223-18-0Relevant articles and documents

Suzuki-type cross-coupling reaction of 1-benzyl-2-iodo-1H-benzimidazoles with aryl boronic acids: A regioselective route to N-alkylated 6-alkoxy-2-aryl-1H-benzimidazoles

Ezquerra, Jesus,Lamas, Carlos,Pastor, Alfredo,Garcia-Navio, Jose L.,Vaquero, Juan J.

, p. 12755 - 12764 (1997)

The Suzuki-type cross-coupling reaction of 6-substituted 1-benzyl-2-iodo-1H-benzimidazoles with aryl boronic acids provided an efficient synthesis of the corresponding 2-ary-1H-benzimidazoles. The reaction was catalyzed by palladium(0) under different conditions depending on the aryl group substitution.

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