127657-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127657-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,5 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127657-21:
(8*1)+(7*2)+(6*7)+(5*6)+(4*5)+(3*7)+(2*2)+(1*1)=140
140 % 10 = 0
So 127657-21-0 is a valid CAS Registry Number.
127657-21-0Relevant articles and documents
Tetrathiafulvalenes. XXV. Conjugative Connected Polymeric Tetrathiafulvalenes (TTF)
Trinh, V.Q.,Hinh, L. van,Schukat, G.,Fanghaenel, E.
, p. 826 - 834 (2007/10/02)
Syntheses and properties of a conjugative connected polymeric TTF (by tetrahydroanthracene units) and phenylene-bridged polymeric TTF are described.These polymers react with bromine, iodine or tetracyanoquinodimethane and form the radical cation salts, wh
