1253183-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253183-22-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,1,8 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1253183-22:
(9*1)+(8*2)+(7*5)+(6*3)+(5*1)+(4*8)+(3*3)+(2*2)+(1*2)=130
130 % 10 = 0
So 1253183-22-0 is a valid CAS Registry Number.
1253183-22-0Relevant articles and documents
POLYMORPHS OF ETRAVIRINE AND PROCESSES FOR PREPARATION THEREOF
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Page/Page column 16, (2010/12/17)
The present invention provides novel crystalline forms of etravirine such as forms A, B, D, E, H, J, K, L and M, pharmaceutical compositions comprising the crystalline forms and method of using at least one of the crystalline forms or pharmaceutical compositions to treat HIV.