83816-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83816-89-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,1 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83816-89:
(7*8)+(6*3)+(5*8)+(4*1)+(3*6)+(2*8)+(1*9)=161
161 % 10 = 1
So 83816-89-1 is a valid CAS Registry Number.
83816-89-1Relevant articles and documents
A Synthetic Approach to Poly(γ-glutamyl) Conjugates of Methotrexate
Piper, James R.,McCaleb, George S.,Montgomery, John A.
, p. 291 - 294 (1983)
Methotrexate poly(γ-L-glutamate)s bearing two and three glutamate units above that present in methotrexate have been synthesized by extension of a previously described route used to synthesize the lower conjugate bearing one added glutamate unit.Key steps
