443890-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443890-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,8,9 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 443890-91:
(8*4)+(7*4)+(6*3)+(5*8)+(4*9)+(3*0)+(2*9)+(1*1)=173
173 % 10 = 3
So 443890-91-3 is a valid CAS Registry Number.
443890-91-3Relevant articles and documents
PHOTOCHROMIC MATERIAL
-
Page 10-11, (2008/06/13)
A photochromic material having a ring opening quantum yield of 10-3 or lower which does not fade under ambient light is provided. The material comprises a compound belonging to the diheteroarylethene class. The compound has alkoxy group and ary
