19825-62-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19825-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,2 and 5 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19825-62:
(7*1)+(6*9)+(5*8)+(4*2)+(3*5)+(2*6)+(1*2)=138
138 % 10 = 8
So 19825-62-8 is a valid CAS Registry Number.
19825-62-8Relevant articles and documents
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Adams,Baker
, p. 2305,2308 (1940)
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Preparation and Reactions of Derivatives of Formyltetrahydrocannabinol
Eiden, Fritz,Gerstlauer, Carmen
, p. 551 - 561 (2007/10/02)
The tetrahydrocannabinol (THC) derivatives 3a, 3b and 17 react with Vilsmeier reagent to yield the aldehydes 4a, 4d, 5b, 18 and 19.These condense with CH acids to give the pyrano-THC derivatives 6a, 6b, 6d, 6e, 8, 10 and 20.
