84902-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84902-17-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,9,0 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84902-17:
(7*8)+(6*4)+(5*9)+(4*0)+(3*2)+(2*1)+(1*7)=140
140 % 10 = 0
So 84902-17-0 is a valid CAS Registry Number.
84902-17-0Relevant articles and documents
Method for producing 5-phenoxycarbonylbenzotriazole
-
, (2008/06/13)
Disclosed is a method for producing 5-phenoxycarbonylbenzotriazole (I): by reacting 1H-benzotriazole-5-carboxylic acid (II): with diphenyl carbonate (III):