21250-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21250-11-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,5 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21250-11:
(7*2)+(6*1)+(5*2)+(4*5)+(3*0)+(2*1)+(1*1)=53
53 % 10 = 3
So 21250-11-3 is a valid CAS Registry Number.
21250-11-3Relevant articles and documents
SYNTHESIS OF DOUBLE FITS REAGENTS
Uemoto, Teruo,Nakamura, Takehiko
, p. 983 - 984 (2007/10/02)
Perfluoroalkelyne bisaryliodonium triflates (D-FITS) were synthesized as useful agents for introduction of perfluoroalkylene groups.