842138-74-3 Usage
Uses
Used in Pharmaceutical Industry:
5-Bromoquinazolin-6-ylthiourea is used as an impurity in the antiglaucoma drug, Brimonidine (B677520), for the treatment of glaucoma and ocular hypertension. Its presence in the drug is undesirable, and efforts are made to minimize its concentration to ensure the safety and efficacy of the medication.
Check Digit Verification of cas no
The CAS Registry Mumber 842138-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,3 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 842138-74:
(8*8)+(7*4)+(6*2)+(5*1)+(4*3)+(3*8)+(2*7)+(1*4)=163
163 % 10 = 3
So 842138-74-3 is a valid CAS Registry Number.
InChI:InChI=1/C9H7BrN4S/c10-7-5(14-9(11)15)1-2-6-8(7)13-4-3-12-6/h1-4H,(H3,11,14,15)
