650140-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 650140-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,0,1,4 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 650140-19:
(8*6)+(7*5)+(6*0)+(5*1)+(4*4)+(3*0)+(2*1)+(1*9)=115
115 % 10 = 5
So 650140-19-5 is a valid CAS Registry Number.
650140-19-5Relevant articles and documents
Transformation of 20-hydroxyecdysone acetonides into podecdysone B
Odinokov,Galyautdinov,Nedopekin,Ves'kina,Khalilov
, p. 952 - 956 (2003)
Hydrogenation of 20-hydroxyecdysone 2,3:20,22-diacetonide and 20,22-acetonide over palladium catalyst yields podecdysone B 20,22-acetonide. Acid hydrolysis of the latter affords podecdysone B which is a natural phytoecdysteroid.
