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119870-87-0

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119870-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119870-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,8,7 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 119870-87:
(8*1)+(7*1)+(6*9)+(5*8)+(4*7)+(3*0)+(2*8)+(1*7)=160
160 % 10 = 0
So 119870-87-0 is a valid CAS Registry Number.

119870-87-0Relevant articles and documents

Palladium-catalyzed C-H activation/intramolecular amination reaction: A new route to 3-aryl/alkylindazoles

Inamoto, Kiyofumi,Saito, Tadataka,Katsuno, Mika,Sakamoto, Takao,Hiroya, Kou

, p. 2931 - 2934 (2007)

A method for the catalytic C-H activation of hydrazone compounds followed by intramolecular amination is described. It requires the use of a catalytic amount of Pd(OAc)2 in the presence of Cu(OAc)2 and AgOCOCF3, which effi

Diazotisation Rearrangement of Tosylhydrazones of ortho- and meta-Substituted-benzophenones and α-Substituted-acetophenones (Synthesis of Anilides)

Joshi, Vidya,Sharma, R. K.

, p. 564 - 566 (2007/10/02)

Ortho and meta-substituted-benzophenones (1a-g) and substituted-acetophenones (1h-i) were converted into tosylhydrazones (2a-i) by reacting with p-toluenesulphonyl-hydrazide.Conversion of 2a-i to the anilides (3a-i) was effected with the reagents H2SO4 and NaNO2, and was found to be as facile as in case of the para-substituted-benzophenone hydrozones.

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