39903-19-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39903-19-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 39903-19:
(7*3)+(6*9)+(5*9)+(4*0)+(3*3)+(2*1)+(1*9)=140
140 % 10 = 0
So 39903-19-0 is a valid CAS Registry Number.
39903-19-0Relevant academic research and scientific papers
21α,30-DIHYDROXY-D:A-FRIEDOOLEANAN-3-ONE FROM SALACIA RETICULATA VAR. β-DIANDRA STEM BARK
Kumar, Vijaya,Wijeratne, Dharmashree B. T.,Abeygunawardena, Chitrananda
, p. 333 - 335 (2007/10/02)
Salacia reticulata var. β-diandra stem bark contained 21α,30-dihydroxy-D:A-friedooleanan-3-one and eight other D:A-friedooleananes.