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98508-74-8

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98508-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98508-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,0 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98508-74:
(7*9)+(6*8)+(5*5)+(4*0)+(3*8)+(2*7)+(1*4)=178
178 % 10 = 8
So 98508-74-8 is a valid CAS Registry Number.

98508-74-8Relevant articles and documents

The Regiospecific Pummerer-Like Introduction of Chlorine Atoms into Pyrrol-3-yl and Indol-3-yl Sulfoxides

Garcia, Josefina,Ortiz, Claudio,Greenhouse, Robert

, p. 2634 - 2637 (2007/10/02)

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A NOVEL SYNTHESIS OF 3-CYANOINDOLES AND A NEW ROUTE TO INDOLE-3-CARBOXYLIC ACID DERIVATIVES.

Garcia, Josefina,Greenhouse, Robert,Muchowski, Joseph M.,Ruiz, Jose Antonio

, p. 1827 - 1830 (2007/10/02)

2-Alkyl-3-cyanoindoles are obtained when 1-alkylmethyl-2-chloro-(or 2-phenylsulfonyl)-3-phenylsulfonylindoles are reacted with excess azide ion (90 deg C/DMF).The reaction is considered to occur by a fragmentation recombination process in which the Schiff

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