7622-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7622-90-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,2 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7622-90:
(6*7)+(5*6)+(4*2)+(3*2)+(2*9)+(1*0)=104
104 % 10 = 4
So 7622-90-4 is a valid CAS Registry Number.
7622-90-4Relevant articles and documents
Unprecedented acetylation of phenols using a catalytic amount of magnesium powder
Bajracharya, Gan B.,Shrestha, Suryaman Sama
, p. 1688 - 1693 (2018)
The acetylation of phenols with acetic anhydride was achieved using a catalytic amount of magnesium metal powder under air and solvent-free conditions to afford corresponding phenyl acetates in excellent yield (up to 98%).