137208-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137208-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,0 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137208-52:
(8*1)+(7*3)+(6*7)+(5*2)+(4*0)+(3*8)+(2*5)+(1*2)=117
117 % 10 = 7
So 137208-52-7 is a valid CAS Registry Number.
137208-52-7Relevant academic research and scientific papers
Yan,Chu,Lin,Wu,Liu
, p. 4959 - 4962 (1991)
Alkylations of lithium-chelated imide enolate derived from camphor-based oxazolidone with a variety of alkyl halides provide alkylated products with good to excellent diastereoselectivity.