117319-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117319-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,3,1 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117319-57:
(8*1)+(7*1)+(6*7)+(5*3)+(4*1)+(3*9)+(2*5)+(1*7)=120
120 % 10 = 0
So 117319-57-0 is a valid CAS Registry Number.
117319-57-0Relevant articles and documents
Polarized Ketene Dithioacetals; 60. Synthesis of Novel 6-Aryl-5-bis(methylthio)methyl-3(2H)-pyridazinones
Singh, L. W.,Ila, H.,Junjappa, H.
, p. 89 - 90 (1988)
4-Aryl-3-bis(methylthio)methylene-4-oxobutanenitriles 1a-e undergo cyclocondensation with hydrazine hydrate to give novel 6-aryl-5-bis(methylthio)methyl-3(2H)-pyridazinones 3a-e in good yields.The reaction of ketene dithioacetal 1b with hydroxylamine affo
