51887-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51887-56-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,8 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51887-56:
(7*5)+(6*1)+(5*8)+(4*8)+(3*7)+(2*5)+(1*6)=150
150 % 10 = 0
So 51887-56-0 is a valid CAS Registry Number.
InChI:InChI=1/C9H11NO5S/c1-10-16(13,14)6-3-4-8(15-2)7(5-6)9(11)12/h3-5,10H,1-2H3,(H,11,12)
51887-56-0Relevant articles and documents
Heterocyclic-substituted phenyl methanones
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Page/Page column 68, (2008/06/13)
The present invention relates to compounds of formula I wherein R1, R2, and are defined in the specification and to pharmaceutically acceptable acid addition salts thereof.