5-NITROBARBITURIC ACID HYDRATE 95 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
Used as a microreagent for potassium with which it forms a characteristic precipitate.
Check Digit Verification of cas no
The CAS Registry Mumber 209529-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,5,2 and 9 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 209529-81: (8*2)+(7*0)+(6*9)+(5*5)+(4*2)+(3*9)+(2*8)+(1*1)=147 147 % 10 = 7 So 209529-81-7 is a valid CAS Registry Number.