132067-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132067-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,0,6 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 132067-77:
(8*1)+(7*3)+(6*2)+(5*0)+(4*6)+(3*7)+(2*7)+(1*7)=107
107 % 10 = 7
So 132067-77-7 is a valid CAS Registry Number.
132067-77-7Relevant articles and documents
HETEROCYCLIC BIOANTIOXIDANTS. 2. INTERACTION OF 3-NITRO-4-SUBSTITUTED COUMARINS WITH MERCAPTANS
Parfenov, E.A.,Smirnov, L.S.
, p. 1190 - 1192 (1991)
3-Nitro-4-chlorocoumarin forms 3-nitro-4-substituted coumarins when it reacts with an equimolar quantity of benzyl mercaptan or thiosalicylic acid; with excess benzyl mercaptan, it forms 3,4-di-S-benzyl coumarin. 3-Nitro-4-methoxycoumarin under the same c