109773-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109773-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,7 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109773-66:
(8*1)+(7*0)+(6*9)+(5*7)+(4*7)+(3*3)+(2*6)+(1*6)=152
152 % 10 = 2
So 109773-66-2 is a valid CAS Registry Number.
109773-66-2Relevant articles and documents
MACROHETEROCYCLES. 31. BINUCLEAR CROWN ETHERS BASED ON 1,1,2,2-TETRAHYDROXYMETHANYLETHANE
Luk'yanenko, N. G.,Mel'nik, O. T.
, p. 934 - 939 (2007/10/02)
Methods for the synthesis and production of a number of new binuclear crown ethers based on 1,1,2,2-tetrahydroxymethylethane and its derivatives were developed.