134209-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134209-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,0 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134209-99:
(8*1)+(7*3)+(6*4)+(5*2)+(4*0)+(3*9)+(2*9)+(1*9)=117
117 % 10 = 7
So 134209-99-7 is a valid CAS Registry Number.
134209-99-7Relevant academic research and scientific papers
β-Lactam-4-ylidenes
Zoghbi, Michel,Warkentin, John
, p. 3214 - 3215 (2007/10/02)
β-Lactam-4-ylidenes, generated by thermolysis of easily accessible spiro-fused β-lactam oxadiazolines, are trapped in typical intramolecular and intermolecular carbene reactions.
