111917-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111917-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,1 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 111917-85:
(8*1)+(7*1)+(6*1)+(5*9)+(4*1)+(3*7)+(2*8)+(1*5)=112
112 % 10 = 2
So 111917-85-2 is a valid CAS Registry Number.
111917-85-2Relevant academic research and scientific papers
Hopf, Henning,Krause, Norbert
, p. 6177 - 6180 (1986)
The addition of hydrazoic acid to the acetylenic aldehydes 2 and 11 provides an access to retinoids bearing an azido group in the 9- and 13-position, respectively.
