94283-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94283-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,8 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94283-91:
(7*9)+(6*4)+(5*2)+(4*8)+(3*3)+(2*9)+(1*1)=157
157 % 10 = 7
So 94283-91-7 is a valid CAS Registry Number.
94283-91-7Relevant articles and documents
SYNTHESIS OF SOME NEODIHYDROTHEBAINE AND BRACTAZONINE ISOMERS
Theuns, Hubert G.,Lenting, Herman B.M.,Salemink, Cornelis A.,Tanaka, Hitoshi,Shibata, Masayoshi,et al.
, p. 1995 - 2005 (2007/10/02)
The synthesis of four isomeric dibenzazonine compounds is described.Neither of these substances may be confused with the natural Papaver bracteatum alkaloids neodihydrothebaine and bractazonine.