189879-24-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189879-24-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,7 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189879-24:
(8*1)+(7*8)+(6*9)+(5*8)+(4*7)+(3*9)+(2*2)+(1*4)=221
221 % 10 = 1
So 189879-24-1 is a valid CAS Registry Number.
189879-24-1Relevant articles and documents
The Compounds Related to 3-(1-Imidazolyl)-2-alken-1-ones. Preparation and Reactions
Kashima, Choji,Tajima, Tadakuni,Omote, Yoshimori
, p. 171 - 176 (2007/10/02)
Compounds related to 3-(1-imidazolyl)-2-alken-1-ones, 3-(1-imidazolyl)-2-alkenoic acid derivatives and 2-alken-1-ones having heterocycles on the C-3 carbon were prepared.The reaction of nucleophiles with these compounds was also discussed.
