99641-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99641-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99641-81:
(7*9)+(6*9)+(5*6)+(4*4)+(3*1)+(2*8)+(1*1)=183
183 % 10 = 3
So 99641-81-3 is a valid CAS Registry Number.
99641-81-3Relevant articles and documents
2 + 3 Dipolar Cycloadditions of a Monomeric Thioaldehyde
Vedejs, E.,Wilde, R. G.
, p. 117 - 119 (2007/10/02)
Thiopivaldehyde is a highly reactive dipolarophile toward nitrones, nitrile N-oxides, diazo compounds, azomethine N-imines, thiomunchnones, and sydnones.