333309-95-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 333309-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,3,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 333309-95:
(8*3)+(7*3)+(6*3)+(5*3)+(4*0)+(3*9)+(2*9)+(1*5)=128
128 % 10 = 8
So 333309-95-8 is a valid CAS Registry Number.
333309-95-8Relevant articles and documents
Bromination of N,N′-substituted malonodiamides
Georiyants,Bezuglyi
, p. 1079 - 1081 (2002)
Aiming at preparation of biologically active compounds a bromination of N,N′-substituted malonodiamides in a glacial acetic acid was carried out. The use of one equiv of bromine provided monobromo derivatives, with two equiv of bromine dibromo-substituted