512187-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 512187-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,2,1,8 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 512187-40:
(8*5)+(7*1)+(6*2)+(5*1)+(4*8)+(3*7)+(2*4)+(1*0)=125
125 % 10 = 5
So 512187-40-5 is a valid CAS Registry Number.
512187-40-5Relevant articles and documents
Bromination of N,N′-substituted malonodiamides
Georiyants,Bezuglyi
, p. 1079 - 1081 (2007/10/03)
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