128920-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128920-08-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,2 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128920-08:
(8*1)+(7*2)+(6*8)+(5*9)+(4*2)+(3*0)+(2*0)+(1*8)=131
131 % 10 = 1
So 128920-08-1 is a valid CAS Registry Number.
128920-08-1Relevant articles and documents
Synthesis of 5-Anilino-2-phenylthio-1,4-benzoquinones
Bittner, Shmuel,Krief, Penina
, p. 350 - 352 (2007/10/02)
Reductive addition of substituted anilines to 2-phenylthio-1,4-benzoquinone followed by oxidation of a second molecule of the quinone, affords a series of 5-amino-2-thio-substituted 1,4-benzoquinones in good yields.
