1023904-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023904-05-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,9,0 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1023904-05:
(9*1)+(8*0)+(7*2)+(6*3)+(5*9)+(4*0)+(3*4)+(2*0)+(1*5)=103
103 % 10 = 3
So 1023904-05-3 is a valid CAS Registry Number.
1023904-05-3Relevant articles and documents
Fluorescent amino- and thiopyronin dyes
Wu, Liangxing,Burgess, Kevin
, p. 1779 - 1782 (2008)
Highly fluorescent rhodamine/rosamine analogues 2 were prepared from ketone 1.