136905-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136905-13-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,0 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136905-13:
(8*1)+(7*3)+(6*6)+(5*9)+(4*0)+(3*5)+(2*1)+(1*3)=130
130 % 10 = 0
So 136905-13-0 is a valid CAS Registry Number.
136905-13-0Relevant articles and documents
A new total synthesis of withasomnine
Guzman-Perez,Maldonado
, p. 1667 - 1674 (1991)
The pyrazole alkaloid withasomnine 1, has been synthesized by construction of the 1,2-diazabicyclo [3.3.0]octa-2,4-diene system in a single step.
