940308-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940308-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,3,0 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 940308-39:
(8*9)+(7*4)+(6*0)+(5*3)+(4*0)+(3*8)+(2*3)+(1*9)=154
154 % 10 = 4
So 940308-39-4 is a valid CAS Registry Number.
940308-39-4Relevant articles and documents
FUSED HETEROCYCLIC COMPOUND
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Page/Page column 569, (2010/11/27)
The present invention provides a compound represented by the formula: wherein R1ais a hydrogen atom, R2a is a C1-6 alkyl group substituted by a group represented by-NR6a-CO-(CH2) n-SO2