312609-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312609-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,6,0 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 312609-91:
(8*3)+(7*1)+(6*2)+(5*6)+(4*0)+(3*9)+(2*9)+(1*1)=119
119 % 10 = 9
So 312609-91-9 is a valid CAS Registry Number.
312609-91-9Relevant articles and documents
A facile route to the deprotection of sulfonate esters and sulfonamides with low valent titanium reagents
Nayak
, p. 1575 - 1578 (2000)
A novel method for the cleavage of N/O-tosyl bonds by low-valent titanium is reported. TBDPS ether, THP ether, and olefin are found to be compatible under the reaction conditions.
