99779-85-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99779-85-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,7 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99779-85:
(7*9)+(6*9)+(5*7)+(4*7)+(3*9)+(2*8)+(1*5)=228
228 % 10 = 8
So 99779-85-8 is a valid CAS Registry Number.
99779-85-8Relevant academic research and scientific papers
Preparation of 3-(3′-,4′-Hydroxyphenyl)sydnones
Tien, Hsien-Ju,Yeh, Mou-Yung,Huang, Ded-Shih,Wu, Yi-Lung,Kuo, Wen-Fa,Chang, Wen-Kuen,Chang, Jing-Chyi
, p. 387 - 390 (2007/10/03)
3-(3′-,4′-Hydroxyphenyl)sydnones were prepared by dealkylation of 3-(3′-,4′-alkoxyphenyl)sydnones with concentrated sulfuric acid at room temperature in a range of 59 to 86% yield.