850142-50-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850142-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,1,4 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 850142-50:
(8*8)+(7*5)+(6*0)+(5*1)+(4*4)+(3*2)+(2*5)+(1*0)=136
136 % 10 = 6
So 850142-50-6 is a valid CAS Registry Number.
850142-50-6Relevant articles and documents
FUSED LACTAM COMPOUNDS
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Page/Page column 40, (2010/02/11)
This invention provides a compound the formula (I), wherein R1 represents an aryl group having from 6 to 10 ring carbon atoms etc.; R2 represents a hydrogen atom etc., n epresents 0, 1 or 2; said heteroaryl group is unsubstituted or
