223444-93-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223444-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,4,4 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 223444-93:
(8*2)+(7*2)+(6*3)+(5*4)+(4*4)+(3*4)+(2*9)+(1*3)=117
117 % 10 = 7
So 223444-93-7 is a valid CAS Registry Number.
223444-93-7Relevant articles and documents
PROCESSES FOR PREPARING TOLL-LIKE RECEPTOR MODULATOR COMPOUNDS
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Paragraph 0664, (2021/01/23)
The present disclosure provides methods for preparing (7?)-2-((2-amino-7- fluoropyrido[3,2-d]pyrimidin-4-yl)amino)-2-methylhexan-l-ol or a salt thereof and related key intermediates.