1279816-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1279816-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,8,1 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1279816-33:
(9*1)+(8*2)+(7*7)+(6*9)+(5*8)+(4*1)+(3*6)+(2*3)+(1*3)=199
199 % 10 = 9
So 1279816-33-9 is a valid CAS Registry Number.
1279816-33-9Relevant articles and documents
A 6 - bromo - 1, 2, 3, 4 - tetrahydroisoquinoline -1 - formic acid chemical synthesis method
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Paragraph 0019; 0022; 0023; 0032; 0041, (2019/01/05)
The invention relates to a chemical synthesis method of 6-bromo-1,2,3,4-tetrahydroisoquinolyl-1-formic acid.3-bromobenzylcyanide used as the raw material is subjected to reduction, amidation, cyclization and hydrolysis to simply synthesize the 6-bromo-1,2
