136203-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136203-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,2,0 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136203-68:
(8*1)+(7*3)+(6*6)+(5*2)+(4*0)+(3*3)+(2*6)+(1*8)=104
104 % 10 = 4
So 136203-68-4 is a valid CAS Registry Number.
136203-68-4Relevant academic research and scientific papers
Takano,Morisaki
, p. 1647 - 1648 (1991)
An efficient synthesis of 32-hydroxy- and 32-oxo-lanost-8-en-3β-ol (2 and 4) from the 8-ene-15-ketone 7 was described.