89217-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89217-99-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,1 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89217-99:
(7*8)+(6*9)+(5*2)+(4*1)+(3*7)+(2*9)+(1*9)=172
172 % 10 = 2
So 89217-99-2 is a valid CAS Registry Number.
89217-99-2Relevant academic research and scientific papers
OPTISCH AKTIVE (E)-β-(AMINO)VINYL-DIPHENYLPHOSPHANOXIDE UND (E)-β-(AMINO)VINYL-DIPHENYLPHOSPHANE
Maerkl, G.,Merkl, B.
, p. 5865 - 5868 (2007/10/02)
Ethinyldiphenylphosphineoxide reacts with primary and secondary amines - also optically active amines - to give the title compounds.
