1238305-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1238305-50-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,3,0 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1238305-50:
(9*1)+(8*2)+(7*3)+(6*8)+(5*3)+(4*0)+(3*5)+(2*5)+(1*0)=134
134 % 10 = 4
So 1238305-50-4 is a valid CAS Registry Number.
1238305-50-4Relevant articles and documents
INTERMEDIATE COMPOUNDS OF TAMIFLU, METHODS OF PREPARATION AND USES THEREOF
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Paragraph 0137-0138, (2014/08/19)
Chiral amino compounds, methods of preparation and uses thereof. Tamiflu can be obtained from the said compounds. Multi-substituted chiral tetrahydropyrrolyl amine which can be used as intermediate compounds of medicament can also be produced by the said compounds.
