149632-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149632-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,6,3 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 149632-31:
(8*1)+(7*4)+(6*9)+(5*6)+(4*3)+(3*2)+(2*3)+(1*1)=145
145 % 10 = 5
So 149632-31-5 is a valid CAS Registry Number.
149632-31-5Relevant articles and documents
Derivatives of squaric acid with anti-proliferative activity
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Page/Page column 29, (2008/12/08)
The present invention provides derivatives of squaric acid, in particular derivatives of 3,4-diamino-cyclobut-3-ene-1,2-dione and tautomers and isomers thereof, as a single stereoisomer or a mixture of stereoisomers, or as a pharmaceutically acceptable sa