77943-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77943-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,4 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77943-18:
(7*7)+(6*7)+(5*9)+(4*4)+(3*3)+(2*1)+(1*8)=171
171 % 10 = 1
So 77943-18-1 is a valid CAS Registry Number.
77943-18-1Relevant academic research and scientific papers
10-Mono-, 11-mono-, 12-mono and 11,12-dideuteroretinal
Broek, A. D.,Lugtenburg, J.
, p. 363 - 366 (2007/10/02)
The 11-mono and 12-mono- and 11,12-dideuteroretinal (in the all-trans, 9-cis, 11-cis and 13-cis form) with > 98percent chemical purity and > 95percent mono- and dideuterium incorporation were prepared using the same scheme for all three compounds.The all-
