39503-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39503-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,0 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 39503-66:
(7*3)+(6*9)+(5*5)+(4*0)+(3*3)+(2*6)+(1*6)=127
127 % 10 = 7
So 39503-66-7 is a valid CAS Registry Number.
39503-66-7Relevant academic research and scientific papers
Process for the preparation of benzoin sulfonates
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, (2008/06/13)
Benzoin esters of aromatic sulfonic acids can be obtained in high yield from benzoin and the respective sulfonyl halide in molar amounts of a base by carrying out the reaction at low temperature in an organic solvent with the addition of water. Aqueous Na
