109440-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109440-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,4 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109440-85:
(8*1)+(7*0)+(6*9)+(5*4)+(4*4)+(3*0)+(2*8)+(1*5)=119
119 % 10 = 9
So 109440-85-9 is a valid CAS Registry Number.
109440-85-9Relevant articles and documents
PROCESS FOR IMPROVED OXYMORPHONE SYNTHESIS
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Paragraph 0644-0655; 0703-0717, (2017/02/24)
Processes for preparing oxymorphone are provided. Said processes encompass a step which is a hydrogenation of an 14-hydroxymorphinone salt in the presence of trifluoroacetic acid and/or a glycol.
