103670-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103670-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,7 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103670-18:
(8*1)+(7*0)+(6*3)+(5*6)+(4*7)+(3*0)+(2*1)+(1*8)=94
94 % 10 = 4
So 103670-18-4 is a valid CAS Registry Number.
103670-18-4Relevant articles and documents
Synthesis of Enantiomeric Dimethyl (1,2,3,4-Tetrahydroxybutyl)phosphonates
Wroblewski, Andrzej E.
, p. 1854 - 1862 (2007/10/02)
A 1:1 mixture of (1S)- and (1R)-2,4-O-benzylidene-1-C-(dimethoxyphosphoryl)-D-erythritol (7 and 8) and on the other hand a 1:9 mixture of (1S)- and (1R)-2,4-O-benzylidene-1-C-(dimethoxyphosphoryl)-D-threitol (13 and 14) are obtained in the triethylamine-c
