89275-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89275-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,7 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89275-77:
(7*8)+(6*9)+(5*2)+(4*7)+(3*5)+(2*7)+(1*7)=184
184 % 10 = 4
So 89275-77-4 is a valid CAS Registry Number.
89275-77-4Relevant academic research and scientific papers
Maerkl, G.,Hock, K.
, p. 5051 - 5054 (1983)
1-tert-Butyl-1-chloro-4-R(3-R)-λ5-phosphorins can be acylated with phosgene or acidhalides to give the title compaunds.