1228971-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1228971-04-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,9,7 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1228971-04:
(9*1)+(8*2)+(7*2)+(6*8)+(5*9)+(4*7)+(3*1)+(2*0)+(1*4)=167
167 % 10 = 7
So 1228971-04-7 is a valid CAS Registry Number.
1228971-04-7Relevant articles and documents
Directional hydrogen bonding controlled 2D self-organization of phenyleneethynylenes: From linear assembly to rectangular network
Ramesh,Thomas, K. George
, p. 3457 - 3459 (2010)
The effect of the carboxylic acid substituent position of phenyleneethynylene systems on the 2D self-organization is revealed by scanning tunneling microscopy.