107303-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107303-38-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,3,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 107303-38:
(8*1)+(7*0)+(6*7)+(5*3)+(4*0)+(3*3)+(2*3)+(1*8)=88
88 % 10 = 8
So 107303-38-8 is a valid CAS Registry Number.
107303-38-8Relevant articles and documents
A facile synthesis of phthalein indicator dyes
Sabnis, Ram W.
, p. 6261 - 6263 (2009)
The use of methanesulfonic acid offers a novel and highly efficient method for the synthesis of phthalein indicator dyes in excellent yields on an industrial scale.