137224-94-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137224-94-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,2 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137224-94:
(8*1)+(7*3)+(6*7)+(5*2)+(4*2)+(3*4)+(2*9)+(1*4)=123
123 % 10 = 3
So 137224-94-3 is a valid CAS Registry Number.
137224-94-3Relevant articles and documents
A NEW STRATEGY FOR THE STEREOSELECTIVE SYNTHESIS OF OLEFINS
Dybowski, Piotr,Skowronska, Aleksandra
, p. 4385 - 4388 (2007/10/02)
Highly stereoselective conversion of ketones into (Z)-olefins, via intermediate S-(β-oxoalkyl)thiophosphates and their seleno analogues is described.