2783-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2783-01-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,8 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2783-01:
(6*2)+(5*7)+(4*8)+(3*3)+(2*0)+(1*1)=89
89 % 10 = 9
So 2783-01-9 is a valid CAS Registry Number.
2783-01-9Relevant articles and documents
SYNTHESIS OF HYDROXYETHYL P-β-HYDROXYETHYLBENZOATE
Ignateva, E. K.,Kulishina, V. I.
, p. 1544 - 1545 (2007/10/02)
Hydroxyethyl p-β-hydroxyethylbenzoate was synthesized by the reaction of p-hydroxybenzoic acid or its esters with ethylene glycol in the presence of substituted orthotitanate esters. p-Hydroxybenzoic acid reacts with greater difficulty than its lower alkyl or aryl esters.