55720-21-3 Usage
Physical Form
Yellow powder
Applications
Pharmaceutical and chemical industries
Uses
Reagent in organic synthesis, building block for derivatives
Suitability
Development of pharmaceuticals, intermediate for dyes and fine chemicals
Safety
Handle with care, harmful if ingested, inhaled, or in contact with skin or eyes
Check Digit Verification of cas no
The CAS Registry Mumber 55720-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,2 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55720-21:
(7*5)+(6*5)+(5*7)+(4*2)+(3*0)+(2*2)+(1*1)=113
113 % 10 = 3
So 55720-21-3 is a valid CAS Registry Number.
InChI:InChI=1/C6H6N2O2S.Na/c7-5-3-4(8(9)10)1-2-6(5)11;/h1-3,11H,7H2;/q;+1/p-1