81094-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81094-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,9 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81094-23:
(7*8)+(6*1)+(5*0)+(4*9)+(3*4)+(2*2)+(1*3)=117
117 % 10 = 7
So 81094-23-7 is a valid CAS Registry Number.
81094-23-7Relevant articles and documents
Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide compounds and 3,4-dihydroxy-cyclopentadienone compounds
-
, (2008/06/13)
Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide and of the corresponding cyclopentadienone compound, and their manufacture. The compounds can be used as "solid forms" of phosgene, thiophosgene or oxalyl chloride, or as acyl transfer agents.