274914-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 274914-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,1 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 274914-89:
(8*2)+(7*7)+(6*4)+(5*9)+(4*1)+(3*4)+(2*8)+(1*9)=175
175 % 10 = 5
So 274914-89-5 is a valid CAS Registry Number.
274914-89-5Relevant articles and documents
4-substituted-3-substituted-amino-cyclobut-3-ene-1,2-diones and analogs thereof as novel potassium channel openers
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, (2008/06/13)
4-Substituted-3-substituted-amino-cyclobut-3-ene-1,2-diones having the Formula (I): wherein R1, R2, R3, R4, R5, A and W are as defined in the specification which compounds relaxes smooth muscles.