944272-02-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 944272-02-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,2,7 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 944272-02:
(8*9)+(7*4)+(6*4)+(5*2)+(4*7)+(3*2)+(2*0)+(1*2)=170
170 % 10 = 0
So 944272-02-0 is a valid CAS Registry Number.
944272-02-0Relevant articles and documents
Synthesis and properties of metal phthalocyanines based on disulfophthalic acid
Kulinich,Shaposhnikov,Gorelov,Chernyaeva
, p. 1331 - 1336 (2006)
Octasulfo-substituted cobalt phthalocyaninate was synthesized from 3,5-disulfophthalic acid, and its ammonium salt was converted into the corresponding sulfonyl chloride by the action of chlorosulfonic acid. Treatment of the chlorosulfonyl-substituted pht
