153940-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153940-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,9,4 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 153940-38:
(8*1)+(7*5)+(6*3)+(5*9)+(4*4)+(3*0)+(2*3)+(1*8)=136
136 % 10 = 6
So 153940-38-6 is a valid CAS Registry Number.
153940-38-6Relevant articles and documents
Synthesis of α-acetylenic aldehydes from 2-acetylenic phenyl sulfides
Fortes,Garrote
, p. 2869 - 2877 (2007/10/02)
Monochlorination at the 1 position, with sulfuryl chloride, followed by hydrolysis converted 2-acetylenic phenyl sulfides into 2-acetylenic aldehydes.