128814-92-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128814-92-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,1 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128814-92:
(8*1)+(7*2)+(6*8)+(5*8)+(4*1)+(3*4)+(2*9)+(1*2)=146
146 % 10 = 6
So 128814-92-6 is a valid CAS Registry Number.
128814-92-6Relevant articles and documents
SYNTHESIS OF 2-PHENYL-2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-5-ONES
Tatsuoka, Toshio,Imao, Kayoko,Suzuki, Kenji,Shibata, Makoto,Satoh, Fumio,et al.
, p. 749 - 752 (2007/10/02)
A series of 2-phenyl-2,3,4,5-tetrahydro-1-benzoxepin-5-ones were synthesized by 2 steps from flavones through 3,4-benzo-5-oxo-2-oxabicycloheptanes.
