55974-08-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55974-08-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,7 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55974-08:
(7*5)+(6*5)+(5*9)+(4*7)+(3*4)+(2*0)+(1*8)=158
158 % 10 = 8
So 55974-08-8 is a valid CAS Registry Number.
InChI:InChI=1/C21H20NO5.HI/c1-22-7-6-11-8-16(26-4)21(27-5)18-12-9-14(24-2)15(25-3)10-13(12)20(23)19(22)17(11)18;/h6-10H,1-5H3;1H/q+1;/p-1
55974-08-8Relevant academic research and scientific papers
The SYNTHESIS OF ERYTHRO- AND THREO-N-METHYL 7-HYDROXY-1,2,9,10-TETRAMETHOXYAPORPHINE
Chackalamannil, Samuel,Dalton, D. R.
, p. 2029 - 2032 (2007/10/02)
The total synthesis of the title compounds is described.