119657-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119657-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,6,5 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 119657-49:
(8*1)+(7*1)+(6*9)+(5*6)+(4*5)+(3*7)+(2*4)+(1*9)=157
157 % 10 = 7
So 119657-49-7 is a valid CAS Registry Number.
119657-49-7Relevant articles and documents
A Novel Highly Stereoselective Synthesis of Tetrahydrodibenzo-1,4-dioxanes
Antus, Sandor,Baitz-Gacs, Eszter,Snatzke, Guenter,Toth, Tamas S.
, p. 1017 - 1020 (2007/10/02)
The cis- and trans-tetrahydrodibenzo-1,4-dioxanes 2 and 3 were synthesized from 2-bromocyclohexanone in five steps. - Key Words: Dichotomy in SN2 reactions / 1,4-Benzodioxanes, potential biological activity of