116299-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116299-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,2,9 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 116299-92:
(8*1)+(7*1)+(6*6)+(5*2)+(4*9)+(3*9)+(2*9)+(1*2)=144
144 % 10 = 4
So 116299-92-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H28O3/c1-4-20(23)10-8-16-17-6-5-14-13-15(22)7-9-18(14,2)21(17,24)12-11-19(16,20)3/h1,13,16-17,23-24H,5-12H2,2-3H3/t16-,17-,18-,19-,20+,21?/m0/s1
116299-92-4Relevant articles and documents
9-alpha-hydroxy steroids, process for their preparation, process for the preparation of the corresponding 9(11)-dehydro derivatives and pharmaceutical preparations containing such steroids
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, (2008/06/13)
New 9-alphahydroxy steroids are prepared by the introduction of substituents on the D-ring of 9-alpha-hydroxy-androst-4-ene-3,17-dione. The resulting compounds are useful intermediates in the synthesis of corticosteroids.