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119870-88-1

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119870-88-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119870-88-1 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 8 respectively.
Calculate Digit Verification of CAS Registry Number 119870-88:
(8*1)+(7*1)+(6*9)+(5*8)+(4*7)+(3*0)+(2*8)+(1*8)=161
161 % 10 = 1
So 119870-88-1 is a valid CAS Registry Number.

119870-88-1Relevant articles and documents

Pd-Catalyzed Coupling of N-Tosylhydrazones with Benzylic Phosphates: Toward the Synthesis of Di- or Tri-Substituted Alkenes

Zhang, Kena,Provot, Olivier,Alami, Mouad,Tran, Christine,Hamze, Abdallah

, p. 1249 - 1261 (2022/02/07)

This study shows that various di- and tri-substituted alkenes with high chemoselectivity were obtained in good to high yields by coupling N-tosylhydrazones (NTHs) with benzylic phosphates as electrophilic partners. The obtained new catalytic system consis

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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