50917-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50917-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,1 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 50917-75:
(7*5)+(6*0)+(5*9)+(4*1)+(3*7)+(2*7)+(1*5)=124
124 % 10 = 4
So 50917-75-4 is a valid CAS Registry Number.
50917-75-4Relevant articles and documents
A convenient synthesis of 2-(diethoxyphosphonyl)glycine and its derivatives
Shankar,Scott
, p. 231 - 234 (1993)
A simple and very efficient method for the preparation of 2-(diethoxyphosphonyl)glycine and its N-methyl analog as the free acids is described and their conversion to the corresponding t-butyl esters demonstrated.