4218-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4218-63-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,1 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4218-63:
(6*4)+(5*2)+(4*1)+(3*8)+(2*6)+(1*3)=77
77 % 10 = 7
So 4218-63-7 is a valid CAS Registry Number.
4218-63-7Relevant academic research and scientific papers
Chen, Shui-Tein,Wang, Kung-Tsung
, p. 36 - 37 (1989)
An efficient three-step procedure to prepare O-benzyl-L-serine from serine in 85percent overall yield using the 4-methoxybenzyloxycarbonyl group for N-protection.
